US2763119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hay pick-up and conveying machine
Assignee: Individual
•
Filing: 1953-01-15
•
Granted: 1956-09-18
•
Expires: 1973-01-15
Abstract
No abstract record available.
Inventors
- 👤 Elmer C Helfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:07
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/06; H; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/325; H05K2201/00; H05K2201/09; H05K2201/09009; H05K2201/09072; H05K2201/10; H05K2201/10227; H05K2201/1031; H05K2201/10431; H05K2201/10439; H05K2201/10469; H05K2201/10613; H05K2201/10621; H05K2201/10636; H05K2201/10643; Y; Y02; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |