US3276416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device
Assignee: Individual
•
Filing: 1965-07-07
•
Granted: 1966-10-04
•
Expires: 1985-07-07
Abstract
No abstract record available.
Inventors
- 👤 Frederick L Dirks
- 👤 Curtis W Lemberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:10
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/30; G; G08; G08B; G08B5/00; G08B5/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR1225742A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |