US3516279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for adjusting a pressure operated switch utilizing the nonlinear properties of a biasing means
Assignee: ALPHAMATIC CORP
•
Filing: 1967-02-23
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Granted: 1970-06-23
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Expires: 1987-02-23
Abstract
No abstract record available.
Inventors
- 👤 Robert J Maziarka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:36
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/26; H01H35/00; H01H35/24; H01H35/26; H01H35/2607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1475697A
Cited
US2800549A
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GB762363A
Cited
GB775882A
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US2953929A
Cited
US3256398A
Cited
US3363072A
Cited
US3370336A
Cited
US3393282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |