US2801585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Squib
Assignee: Individual
•
Filing: 1954-03-25
•
Granted: 1957-08-06
•
Expires: 1974-03-25
Abstract
No abstract record available.
Inventors
- 👤 Rex L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:36
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/95; C; C06; C06C; C06C5/00; C06C5/06; F42; F42B; F42B3/00; F42B3/10; F42B3/12; F42B3/124; F42B3/125; F42B3/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE315186C
Cited
US1856431A
Cited
US2237932A
Cited
US2389086A
Cited
US2429490A
Cited
US2624280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |