US3099363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring can sealer
Assignee: Individual
•
Filing: 1962-08-16
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Granted: 1963-07-30
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Expires: 1982-08-16
Abstract
No abstract record available.
Inventors
- 👤 Louis G Callegari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:52
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A CLOSURE DEVICE FOR A GENERALLY TRIANGULAR OPENING IN A FLAT TOP OF A CAN WITH AN ANNULAR BEAD, COMPRISING A FLAT BODY INCLUDING AN UPPER RIGID LAYER, A LOWER RESILIENT LAYER, AND AN ELASTIC DIAPHRAGM DISPOSED BETWEEN THE UPPER AND LOWER LAYERS, SAID LAYERS HAVING ALIGNED OPENINGS THEREIN SEPARATED BY SAID DIAPHRAGM, AND A SPRING HAVING A PAIR OF SECTIONAL ARMS EXTENDING THROUGH SAID OPENINGS IN THE LAYERS AND THROUGH SPACED HOLES IN SAID DIAPHRAGM, SAID ARMS BEING BIASED APART IN DIVERGENT DIRECTIONS AND MOVABLE TOWARD EACH OTHER AGAINST BIAS IN SAID SPRING, SAID ARMS HAVING SERRATIONS FORMED IN OUTER SIDES FOR ENGAGING OPPOSING EDGES OF SAID OPENINGS.
Claim 2
Dependent Claim
109 words
A CLOSURE DEVICE FOR A GENERALLY TRIANGULAR OPENING IN A FLAT TOP OF A CAN WITH AN ANNULAR BEAD, COMPRISING A FLAT BODY INCLUDING AN UPPER RIGID LAYER, A LOWER RESILIENT LAYER, AND AN ELASTIC DIAPHRAGM DISPOSED BETWEEN THE UPPER AND LOWER LAYERS, SAID LAYERS HAVING ALIGNED OPENINGS THEREIN SEPARATED BY SAID DIAPHRAGM, AND A SPRING HAVING A PAIR OF SECTIONAL ARMS EXTENDING THROUGH SAID OPENINGS IN THE LAYERS AND THROUGH SPACED HOLES IN SAID DIAPHRAGM, SAID ARMS BEING BIASED APART IN DIVERGENT DIRECTIONS AND MOVABLE TOWARD EACH OTHER AGAINST BIAS IN SAID SPRING, SAID ARMS HAVING SERRATIONS FORMED IN OUTER SIDES FOR ENGAGING OPPOSING EDGES OF SAID OPENINGS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |