Patent US2160244A successfully refreshed from Google Patents.
Patent US1668818A successfully refreshed from Google Patents.
US1668818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Samuel steals
Assignee: —
•
Filing: —
•
Granted: 1928-05-08
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Expires: 1945-05-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:35
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/04; A63F9/0413; A63F3/00; A63F3/00003; A63F3/00028; A63F3/00031; A63F2003/00034
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) | 1931-05-08 | 1931-11-07 | 1932-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-05-08 | 1935-11-07 | 1936-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-05-08 | 1939-11-07 | 1940-05-08 | $7700.00 | Window Closed / Lapsed |