US3472005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articularly mounted gang mowers on a tractor
Assignee: Jacobsen Manufacturing Co
•
Filing: 1966-11-21
•
Granted: 1969-10-14
•
Expires: 1986-11-21
Abstract
No abstract record available.
Inventors
- 👤 Leonardo C Profenna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:00
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/02; A01D34/03; A01D75/00; A01D75/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1726660A
Cited
US2099902A
Cited
US2067158A
Cited
US2659190A
Cited
US2672000A
Cited
US3106811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |