US3363772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extractor
Assignee: Cook Machinery Co Inc
•
Filing: 1967-01-19
•
Granted: 1968-01-16
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Expires: 1987-01-19
Abstract
No abstract record available.
Inventors
- 👤 John R Jarvis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:46
CPC Classifications
D; D06; D06F; D06F49/00; D06F49/06; B; B04; B04B; B04B9/00; B04B9/12
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |