US3522622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hock cutter
Assignee: INTERN AGRI SYSTEMS Inc
•
Filing: 1967-09-22
•
Granted: 1970-08-04
•
Expires: 1987-09-22
Abstract
No abstract record available.
Inventors
- 👤 Edward J Crane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:31
CPC Classifications
A; A22; A22C; A22C21/00; A22C21/0023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2855624A
Cited
US2846718A
Cited
US3038197A
Cited
US3137892A
Cited
US3199143A
Cited
US3229327A
Cited
US3323164A
Cited
US3364515A
Cited
US3233280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |