US3063723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broadcast spreader
Assignee: Individual
•
Filing: 1958-04-03
•
Granted: 1962-11-13
•
Expires: 1978-04-03
Abstract
No abstract record available.
Inventors
- 👤 Howard L Toft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:29
CPC Classifications
A; A01; A01D; A01D90/00; A01D90/10; A01D90/105; A01C; A01C17/00; A01C17/001; A01C3/00; A01C3/06; A01C3/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE19801E
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US2743832A
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US1012795A
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US1561866A
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US1644031A
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US1815042A
Cited
US2489633A
Cited
US2697609A
Cited
US2676002A
Cited
US2661955A
Cited
US2696977A
Cited
US2822946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |