US3423551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive switch
Assignee: BEERTRONIC CORP
•
Filing: 1966-01-12
•
Granted: 1969-01-21
•
Expires: 1986-01-12
Abstract
No abstract record available.
Inventors
- 👤 Elbert C Starbuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:50
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL49268C
Cited
US1602770A
Cited
US2520660A
Cited
US2517820A
Cited
US2749536A
Cited
US2885506A
Cited
US3233059A
Cited
US3304386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |