Patent US1799033A successfully refreshed from Google Patents.
US1799033A
Expired / Lapsed
US
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Hay loader
Assignee: Individual
•
Filing: 1930-05-03
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Granted: 1931-03-31
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Expires: 1950-05-03
Abstract
No abstract record available.
Inventors
- 👤 Dorian A Willerton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:41
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/10; Y; Y10; Y10S; Y10S56/00; Y10S56/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-03-30 | 1934-09-29 | 1935-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-03-30 | 1938-09-29 | 1939-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-03-30 | 1942-09-29 | 1943-03-31 | $7700.00 | Window Closed / Lapsed |