US3107693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic relay
Assignee: Robertshaw Controls Co
•
Filing: 1961-05-24
•
Granted: 1963-10-22
•
Expires: 1981-05-24
Abstract
No abstract record available.
Inventors
- 👤 Louis M Puster
- 👤 Joseph P Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:18
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/126; F16K31/1266; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2617; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/8663; Y10T137/86919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1687047A
Cited
US2013665A
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US2237930A
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US2514747A
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US2674266A
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US2906927A
Cited
US2925804A
Cited
US2970612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |