Patent US2884906A successfully refreshed from Google Patents.
US2884906A
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Servo-mechanism
Assignee: RAYMOND ATCHLEY Inc
•
Filing: 1956-05-23
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Granted: 1959-05-05
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Expires: 1976-05-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond D Atchley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:48
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/16; F15B9/17; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2322; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/8659; Y10T137/86614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2047922A
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US2247301A
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US2234326A
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US2333044A
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US2397448A
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US2312464A
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US2376359A
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US2503447A
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US2615658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |