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US3472008A
Expired / Lapsed
US
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Harvester reel
Assignee: Unisys Corp
•
Filing: 1966-11-14
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Granted: 1969-10-14
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Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Hurlburt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:07
CPC Classifications
A; A01; A01D; A01D57/00; A01D57/01; A01D57/02; A01D57/03; Y; Y10; Y10S; Y10S56/00; Y10S56/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US209047A
Cited
US270336A
Cited
US868788A
Cited
US1215916A
Cited
US1290407A
Cited
US1402360A
Cited
US2694894A
Cited
US2939263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |