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US2660928A
Expired / Lapsed
US
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Rammer
Assignee: Individual
•
Filing: 1946-04-15
•
Granted: 1953-12-01
•
Expires: 1966-04-15
Abstract
No abstract record available.
Inventors
- 👤 Owen W Marlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:20
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/38; F41A9/39; F41A9/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1332763A
Cited
US1360523A
Cited
US1517758A
Cited
US1682323A
Cited
US1602568A
Cited
US1705659A
Cited
US2418656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |