US3036529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: FARLEY J ARCHER
•
Filing: 1960-04-07
•
Granted: 1962-05-29
•
Expires: 1980-04-07
Abstract
No abstract record available.
Inventors
- 👤 William G Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:55
CPC Classifications
F; F04; F04B; F04B23/00; F04B23/02; F04B15/00; F04B15/06; F04B15/08; F04B5/00; F04B53/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1261061A
Cited
US1467489A
Cited
GB317179A
Cited
US2018144A
Cited
US2054710A
Cited
US2640432A
Cited
US2831325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |