US3448495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: SCURLOCK Inc
•
Filing: 1967-06-13
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Granted: 1969-06-10
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Expires: 1987-06-13
Abstract
No abstract record available.
Inventors
- 👤 Milton P Chernack
- 👤 Albert H Torongo Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:27
CPC Classifications
A; A44; A44B; A44B1/00; A44B1/18; A44B1/42; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3611; Y10T24/3615; Y10T24/3694
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2150563A
Cited
US2214030A
Cited
US2462717A
Cited
FR1050590A
Cited
US2983875A
Cited
FR1424726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |