US3550412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: AUTOMATIC MERCHANDISING MACHINE Mfg CORP
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Filing: 1968-04-16
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Granted: 1970-12-29
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Expires: 1988-04-16
Abstract
No abstract record available.
Inventors
- 👤 Irving Pitel
- 👤 Floyd C Cornine
- 👤 Richard S Silverman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:09
CPC Classifications
E; E05; E05C; E05C5/00; E05C5/02; E05C5/04; E05B; E05B5/00; E05B5/003; E05C7/00; E05C7/02; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1099; Y10T292/68; Y10T292/705; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5761; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8541; Y10T70/8838; Y10T70/8973
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |