US2766730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condition responsive pneumatic control system
Assignee: Individual
•
Filing: 1953-11-02
•
Granted: 1956-10-16
•
Expires: 1973-11-02
Abstract
No abstract record available.
Inventors
- 👤 Edwards Miles Lowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:51
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/16; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/3056; F15B2211/3059; F15B2211/32; F15B2211/329; F15B2211/50; F15B2211/505; F15B2211/50554; F15B2211/515; F15B2211/5151; F15B2211/60; F15B2211/635; F15B2211/6355; F15B2211/70; F15B2211/71; F15B2211/7107; F15B2211/765; F15B2211/7656; F15B2211/80; F15B2211/89; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2322
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |