US2076716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing means
Assignee: Individual
•
Filing: 1936-01-29
•
Granted: 1937-04-13
•
Expires: 1956-01-29
Abstract
No abstract record available.
Inventors
- 👤 Nathan F Fretter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:30
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/74; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3464; F16J15/348
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) | 1940-04-12 | 1940-10-12 | 1941-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-04-12 | 1944-10-12 | 1945-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-04-12 | 1948-10-12 | 1949-04-13 | $7700.00 | Window Closed / Lapsed |