Patent US1450023A successfully refreshed from Google Patents.
US1450023A
Expired / Lapsed
US
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Automatic control of reactions
Assignee: Individual
•
Filing: 1919-12-13
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Granted: 1923-03-27
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Expires: 1939-12-13
Abstract
No abstract record available.
Inventors
- 👤 Philip E Edelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:48
CPC Classifications
G; G05; G05D; G05D21/00; G05D21/02; Y; Y10; Y10S; Y10S423/00; Y10S423/05; Y10S99/00; Y10S99/11; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/034; Y10T137/0363; Y10T137/2496; Y10T137/2499; Y10T137/2504; Y10T137/2509; Y10T137/6416; Y10T137/6579; Y10T137/6851; Y10T137/7036; Y10T137/8158; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T436/00; Y10T436/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-03-26 | 1926-09-25 | 1927-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-03-26 | 1930-09-25 | 1931-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-03-26 | 1934-09-25 | 1935-03-27 | $7700.00 | Window Closed / Lapsed |