US3387522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Straight line flap slitter
Assignee: NIGRELLI Corp A CORP OF WIS
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Filing: 1967-02-16
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Granted: 1968-06-11
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Expires: 1987-02-16
Abstract
No abstract record available.
Inventors
- 👤 Wendell E Standley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:32
CPC Classifications
B; B65; B65B; B65B5/00; B65B5/02; B65B5/024; B65B51/00; B65B51/04; B65B51/06; B65B51/067; B65B7/00; B65B7/16; B65B7/20; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/525; Y10T83/533; Y10T83/541; Y10T83/543; Y10T83/647; Y10T83/6572; Y10T83/6576; Y10T83/869; Y10T83/8798; Y10T83/8804; Y10T83/8807; Y10T83/8812; Y10T83/8815
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2464099A
Cited
US3015197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |