US2647525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for harvesting crops
Assignee: A Duda and Son Inc
•
Filing: 1950-12-11
•
Granted: 1953-08-04
•
Expires: 1970-12-11
Abstract
No abstract record available.
Inventors
- 👤 Duda John
- 👤 Jr Andrew Duda
- 👤 Duda Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:47
CPC Classifications
B; B65; B65B; B65B25/00; B65B25/02; B65B25/04; B65B25/046; A; A01; A01D; A01D46/00; A01D46/24; A01D46/243; Y; Y10; Y10S; Y10S209/00; Y10S209/935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1465190A
Cited
US1932827A
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US1756653A
Cited
US2010497A
Cited
US2179868A
Cited
US2262607A
Cited
US2321387A
Cited
US2310358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |