US2738639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting apparatus
Assignee: ALLEN C WAIT
•
Filing: 1953-09-08
•
Granted: 1956-03-20
•
Expires: 1973-09-08
Abstract
No abstract record available.
Inventors
- 👤 Lloyd C Stearman
- 👤 William E Hamel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:01
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/02; A01D34/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US295814A
Cited
US375237A
Cited
US378033A
Cited
US834969A
Cited
US855645A
Cited
US1083072A
Cited
US1816868A
Cited
US2146399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |