Patent US2950747A successfully refreshed from Google Patents.
US2950747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Straw cutter
Assignee: Individual
•
Filing: 1957-05-06
•
Granted: 1960-08-30
•
Expires: 1977-05-06
Abstract
No abstract record available.
Inventors
- 👤 Alloway Vivian Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:09
CPC Classifications
A; A01; A01F; A01F12/00; A01F12/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US740627A
Cited
US1994051A
Cited
US2626159A
Cited
US2752969A
Cited
US2708582A
Cited
US2708552A
Cited
US2752160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |