US3518485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch-controlled dual function indicator
Assignee: United Carr Inc
•
Filing: 1967-04-14
•
Granted: 1970-06-30
•
Expires: 1987-04-14
Abstract
No abstract record available.
Inventors
- 👤 Douglas B Leathem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:40
CPC Classifications
H; H05; H05B; H05B39/00; H05B39/09; G; G08; G08B; G08B5/00; G08B5/22; G08B5/36; F; F02; F02P; F02P11/00; F02P11/02; F02P11/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2956466A
Cited
US2934752A
Cited
US3247402A
Cited
US3334270A
Cited
US3290454A
Cited
US3349284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |