Patent US2099357A successfully refreshed from Google Patents.
US3136444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient seal for floating roof tank
Assignee: Chicago Bridge and Iron Co
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Filing: 1962-01-19
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Granted: 1964-06-09
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Expires: 1982-01-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick D Moyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:24
CPC Classifications
F; F17; F17B; F17B1/00; F17B1/02; F17B1/04; B; B65; B65D; B65D88/00; B65D88/34; B65D88/42; B65D88/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN A FLOATING ROOF TYPE OF TANK FOR THE STORAGE OF LIQUIDS CONTAINING VOLATILE CONSTITUENTS COMPRISING AN UPRIGHT SIDEWALL CIRCUMSCRIBING A LIQUID STORAGE AREA AND A FLOATING ROOF ADAPTED TO FLOAT ON SAID LIQUIDS AND HAVING A PERIPHERAL RIM HAVING A CONFIGURATION SUBSTANTIALLY CONFORMING TO SAID STORAGE AREA, THE MARGINAL EDGE OF SAID ROOF BEING INWARDLY SPACED FROM SAID SIDEWALL TO PROVIDE A RIM SPACE BETWEEN THE EDGE OF SAID ROOF AND SAID SIDEWALL, A SEALING MECHANISM SEALING THE SPACE BETWEEN SAID RIM AND SIDEWALL DISPOSED IN SAID RIM SPACE WHICH COMPRISES A SUBSTANTIALLY TRIANGULAR RESILIENT MEMBER EXTENDING CONTINUOUSLY AROUND THE PERIPHERY OF SAID RIM AND ATTACHED THERETO WITHIN SAID RIM SPACE, A PROTECTIVE FABRIC ENVELOPE ENCASING SAID SUBSTANTIALLY TRIANGULAR RESILIENT MEMBER THROUGHOUT ITS EXTENT, SAID RESILIENT MEMBER BEING COMPRESSED BETWEEN THE SIDEWALL AND RIM TO URGE SAID ENVELOPE INTO SEALING ENGAGEMENT WITH SAID SIDEWALL, MEANS FOR ATTACHING SAID ENVELOPE TO SAID ROOF INDEPENDENTLY OF SAID SUBSTANTIALLY TRIANGULAR RESILIENT MEMBER AND NOT DIRECTLY ATTACHED THERETO WHEREBY SAID ENVELOPE IS MOVABLE INDEPENDENTLY OF SAID SUBSTANTIALLY TRIANGULAR RESILIENT MEMBER, AND MEANS FOR ATTACHING SAID RESILIENT
Claim 2
Dependent Claim
183 words
IN A FLOATING ROOF TYPE OF TANK FOR THE STORAGE OF LIQUIDS CONTAINING VOLATILE CONSTITUENTS COMPRISING AN UPRIGHT SIDEWALL CIRCUMSCRIBING A LIQUID STORAGE AREA AND A FLOATING ROOF ADAPTED TO FLOAT ON SAID LIQUIDS AND HAVING A PERIPHERAL RIM HAVING A CONFIGURATION SUBSTANTIALLY CONFORMING TO SAID STORAGE AREA, THE MARGINAL EDGE OF SAID ROOF BEING INWARDLY SPACED FROM SAID SIDEWALL TO PROVIDE A RIM SPACE BETWEEN THE EDGE OF SAID ROOF AND SAID SIDEWALL, A SEALING MECHANISM SEALING THE SPACE BETWEEN SAID RIM AND SIDEWALL DISPOSED IN SAID RIM SPACE WHICH COMPRISES A SUBSTANTIALLY TRIANGULAR RESILIENT MEMBER EXTENDING CONTINUOUSLY AROUND THE PERIPHERY OF SAID RIM AND ATTACHED THERETO WITHIN SAID RIM SPACE, A PROTECTIVE FABRIC ENVELOPE ENCASING SAID SUBSTANTIALLY TRIANGULAR RESILIENT MEMBER THROUGHOUT ITS EXTENT, SAID RESILIENT MEMBER BEING COMPRESSED BETWEEN THE SIDEWALL AND RIM TO URGE SAID ENVELOPE INTO SEALING ENGAGEMENT WITH SAID SIDEWALL, MEANS FOR ATTACHING SAID ENVELOPE TO SAID ROOF INDEPENDENTLY OF SAID SUBSTANTIALLY TRIANGULAR RESILIENT MEMBER AND NOT DIRECTLY ATTACHED THERETO WHEREBY SAID ENVELOPE IS MOVABLE INDEPENDENTLY OF SAID SUBSTANTIALLY TRIANGULAR RESILIENT MEMBER, AND MEANS FOR ATTACHING SAID RESILIENT
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |