US3510066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spreader apparatus
Assignee: SWENSON SPREADER AND Manufacturing CO
•
Filing: 1966-03-10
•
Granted: 1970-05-05
•
Expires: 1986-03-10
Abstract
No abstract record available.
Inventors
- 👤 Eskil W Swenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:20
CPC Classifications
A; A01; A01C; A01C3/00; A01C3/06; A01C3/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE25709E
Cited
US2359412A
Cited
US2967056A
Cited
US3189355A
Cited
US3229983A
Cited
US3349970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |