US2477442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn mower
Assignee: CRAMER POSTURE CHAIR Co
•
Filing: 1945-02-12
•
Granted: 1949-07-26
•
Expires: 1965-02-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Roy A Cramer
- 👤 John D Maultsby
- 👤 Vance O Terrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:39
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D2101/00; A01D34/82; A01D34/824
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320590A
Cited
US1336257A
Cited
US1993639A
Cited
US1942562A
Cited
US2225139A
Cited
US2188578A
Cited
US2281639A
Cited
US2312972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |