US3523699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Implement carrier
Assignee: WILLIAM J SINKULE
•
Filing: 1967-10-23
•
Granted: 1970-08-11
•
Expires: 1987-10-23
Abstract
No abstract record available.
Inventors
- 👤 James Sinkule
- 👤 William J Sinkule
- 👤 Jim Sinkule
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:16
CPC Classifications
A; A01; A01B; A01B51/00; A01B73/00; A01B73/02; A01B73/06; A01B73/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2641886A
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US2727453A
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US2871028A
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US2828597A
Cited
US2778182A
Cited
US2947372A
Cited
US3093394A
Cited
US3162459A
Cited
US3414064A
Cited
US3376050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |