US2621773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barn cleaner
Assignee: Individual
•
Filing: 1948-09-17
•
Granted: 1952-12-16
•
Expires: 1968-09-17
Abstract
No abstract record available.
Inventors
- 👤 Archie W Coggins
- 👤 Frank W Coggins
- 👤 Melvin J Coggins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:08
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/01; A01K1/0146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US684618A
Cited
US726041A
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US1039935A
Cited
US1078234A
Cited
US1457668A
Cited
US1428240A
Cited
US1520165A
Cited
US1643094A
Cited
US1788995A
Cited
US1854349A
Cited
US2378144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |