US2477343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distributor screw
Assignee: AT&T Inc
•
Filing: 1947-11-06
•
Granted: 1949-07-26
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Expires: 1967-11-06
Abstract
No abstract record available.
Inventors
- 👤 Harry H Merwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:39
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/08; F16H25/12; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18312; Y10T74/19; Y10T74/1987; Y10T74/19893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2134369A
Cited
US2441596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |