Patent US3437549A successfully refreshed from Google Patents.
US3437549A
Expired / Lapsed
US
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Process for filling external structural voids in submarines and the resulting article
Assignee: Individual
•
Filing: 1964-05-28
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Granted: 1969-04-08
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Expires: 1984-05-28
Abstract
No abstract record available.
Inventors
- 👤 Allen Winer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:15
CPC Classifications
B; B63; B63B; B63B3/00; B63B3/13; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49746; Y10T428/00; Y10T428/23; Y10T428/233; Y10T428/24; Y10T428/24273; Y10T428/31504; Y10T428/31678; Y10T428/31714
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1942162A
Cited
US2108212A
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US2106840A
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US2802766A
Cited
US3078202A
Cited
US3111569A
Cited
US3080267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |