US2612063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming teeth for peg tooth harrows
Assignee: Deere and Co
•
Filing: 1948-06-25
•
Granted: 1952-09-30
•
Expires: 1968-06-25
Abstract
No abstract record available.
Inventors
- 👤 Donald A Wangelin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:26
CPC Classifications
B; B21; B21J; B21J1/00; B21J1/06; B21K; B21K19/00; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/35; Y10T225/357; Y10T29/00; Y10T29/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US396014A
Cited
US953041A
Cited
US1344961A
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US2042843A
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US2134186A
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US2131254A
Cited
US2299778A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |