Patent US2683292A successfully refreshed from Google Patents.
US2683292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stage
Assignee: Individual
•
Filing: 1946-02-13
•
Granted: 1954-07-13
•
Expires: 1966-02-13
Abstract
No abstract record available.
Inventors
- 👤 John W Slonaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:00
CPC Classifications
A; A63; A63J; A63J1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US310226A
Cited
US556866A
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DE354759C
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US635962A
Cited
US892600A
Cited
US1208245A
Cited
US1506974A
Cited
US1670739A
Cited
US1620785A
Cited
USRE19940E
Cited
US2136130A
Cited
US2290242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |