US2612185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic switch
Assignee: Schneider Electric Systems USA Inc
•
Filing: 1951-03-14
•
Granted: 1952-09-30
•
Expires: 1971-03-14
Abstract
No abstract record available.
Inventors
- 👤 Allen Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:37
CPC Classifications
F; F15; F15C; F15C3/00; F15C3/04; F15B; F15B13/00; F16; F16K; F16K31/00; F16K31/12; F16K31/126; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2352629A
Cited
US2376918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |