Patent US2691340A successfully refreshed from Google Patents.
US2691340A
Expired / Lapsed
US
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Hay baler cam actuated hay retaining dogs
Assignee: Individual
•
Filing: 1950-04-19
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Granted: 1954-10-12
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Expires: 1970-04-19
Abstract
No abstract record available.
Inventors
- 👤 Benjamin L Nikkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:48
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/3003; B30B9/3028; A; A01; A01F; A01F15/00; A01F15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1333067A
Cited
US1932917A
Cited
US2139928A
Cited
US2237721A
Cited
US2362861A
Cited
US2405688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |