US3500376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Theft protection apparatus
Assignee: LESLIE A COOPER
•
Filing: 1967-06-01
•
Granted: 1970-03-10
•
Expires: 1987-06-01
Abstract
No abstract record available.
Inventors
- 👤 Leslie A Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:30
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/02; G08B13/14; G08B13/1436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2452271A
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US2797405A
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US3056951A
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US2947333A
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US2937269A
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US3248722A
Cited
US3192517A
Cited
US3345627A
Cited
US3327300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |