US2606609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustably timed control mechanism
Assignee: Individual
•
Filing: 1949-11-18
•
Granted: 1952-08-12
•
Expires: 1969-11-18
Abstract
No abstract record available.
Inventors
- 👤 Curtiss D Johnson
- 👤 Theodore R Heyck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:32
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/48; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7043; Y10T137/7062; Y10T137/8158; Y10T137/8175; Y10T137/8208; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86421; Y10T137/86429
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) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |