US3375940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic stookers
Assignee: Kelvin Thompson Co Ltd
•
Filing: 1964-12-21
•
Granted: 1968-04-02
•
Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Geoffrey B Thompson
- 👤 Robert D Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:42
CPC Classifications
A; A01; A01D; A01D85/00; A01D85/005; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2655254A
Cited
US2740250A
Cited
GB789568A
Cited
US3080071A
Cited
US3095961A
Cited
US3223253A
Cited
US3158270A
Cited
US3308971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |