Patent US2495903A successfully refreshed from Google Patents.
US2495903A
Expired / Lapsed
US
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Convertible bulkhead
Assignee: Union Asbestos and Rubber Co
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Filing: 1945-10-22
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Granted: 1950-01-31
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Expires: 1965-10-22
Abstract
No abstract record available.
Inventors
- 👤 Charles L Moorman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:21
CPC Classifications
B; B61; B61D; B61D45/00; B61D45/006
Claims Analysis
Total Claims: 0
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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) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |