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US2135807A
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All-metal gasket
Assignee: FITZGERALD MANUFACTURING Co
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Filing: 1937-03-23
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Granted: 1938-11-08
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Expires: 1957-03-23
Abstract
No abstract record available.
Inventors
- 👤 Patrick J Fitzgerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:18
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/08; F16J15/0818; F16J15/0825; F16J15/0831; F16J2015/0868; Y; Y10; Y10T; Y10T29/00; Y10T29/34; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49922; Y10T29/49936; Y10T428/00; Y10T428/12; Y10T428/12326; Y10T428/12361; Y10T428/12368
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-11-07 | 1942-05-09 | 1942-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-07 | 1946-05-09 | 1946-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-07 | 1950-05-09 | 1950-11-08 | $7700.00 | Window Closed / Lapsed |