US3493247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable frame for agricultural implements
Assignee: American Products Inc
•
Filing: 1967-10-09
•
Granted: 1970-02-03
•
Expires: 1987-10-09
Abstract
No abstract record available.
Inventors
- 👤 Everett J Tasset
- 👤 Michael C Hornung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:04
CPC Classifications
A; A01; A01B; A01B73/00; A01B73/02; A01B73/06; A01B73/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2641886A
Cited
US3180429A
Cited
US3190367A
Cited
US3288480A
Cited
US3243201A
Cited
US3414064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |