US3491784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus for use in distribution systems
Assignee: Individual
•
Filing: 1966-08-26
•
Granted: 1970-01-27
•
Expires: 1986-08-26
Abstract
No abstract record available.
Inventors
- 👤 Mason M Lilly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:09
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/003; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2131; Y10T137/218; Y10T137/2202; Y10T137/2273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2231696A
Cited
US3107850A
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US3234955A
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US3266379A
Cited
US3292648A
Cited
US3266513A
Cited
US3378022A
Cited
US3340885A
Cited
US3404701A
Cited
US3324730A
Cited
US3395719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |