US3383484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure responsive switch
Assignee: Individual
•
Filing: 1965-10-13
•
Granted: 1968-05-14
•
Expires: 1985-10-13
Abstract
No abstract record available.
Inventors
- 👤 Leon J Arp
- 👤 James M Varnum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:02
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE95160C
Cited
US2473922A
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US1087289A
Cited
US1431914A
Cited
US2039717A
Cited
US2967944A
Cited
US3106205A
Cited
US3234932A
Cited
US3093716A
Cited
US3235136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |