Patent US5501227A successfully refreshed from Google Patents.
Patent US3238835A successfully refreshed from Google Patents.
US3238835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustic insulation fastener
Assignee: Certain Teed Fiber Glass Corp
•
Filing: 1964-01-23
•
Granted: 1966-03-08
•
Expires: 1984-01-23
Abstract
No abstract record available.
Inventors
- 👤 David J Rosenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:20
CPC Classifications
B; B63; B63B; B63B3/00; B63B3/14; B63B3/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
AN ACOUSTIC INSULATION FASTENER FOR SECURING ACOUSTIC INSULATING MATERIAL TO A VESSEL''S HULL, COMPRISING, A SHANK PORTION OF RESILIENT FLEXIBLE ACOUSTIC ISOLATING MATERIAL ADAPTED AT ONE END FOR ATTACHMENT TO A HULL, SAID SHANK HAVING AN AXIAL BORE, A REMOVEABLE, ELONGATED PIN IN SAID BORE, SAID PIN IMPARTING RIGIDITY TO SAID SHANK, A RETAINING MEMBER OF A FLEXIBLE RESILIENT ACOUSTIC ISOLATING MATERIAL FITING OVER THE SHANK AND SUPPORTABLE THERE-
Claim 2
Dependent Claim
69 words
AN ACOUSTIC INSULATION FASTENER FOR SECURING ACOUSTIC INSULATING MATERIAL TO A VESSEL''S HULL, COMPRISING, A SHANK PORTION OF RESILIENT FLEXIBLE ACOUSTIC ISOLATING MATERIAL ADAPTED AT ONE END FOR ATTACHMENT TO A HULL, SAID SHANK HAVING AN AXIAL BORE, A REMOVEABLE, ELONGATED PIN IN SAID BORE, SAID PIN IMPARTING RIGIDITY TO SAID SHANK, A RETAINING MEMBER OF A FLEXIBLE RESILIENT ACOUSTIC ISOLATING MATERIAL FITING OVER THE SHANK AND SUPPORTABLE THERE-
References Cited (Backward Citations)
US553938A
Cited
CA651985A
Cited
US643045A
Cited
US1109094A
Cited
US2345768A
Cited
US2590175A
Cited
US2656902A
Cited
US3069962A
Cited
US2901796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |