US3448632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adjusting hydrostatic lead screw and nut assembly
Assignee: SCULLY INTERN CORP
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Filing: 1967-11-15
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Granted: 1969-06-10
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Expires: 1987-11-15
Abstract
No abstract record available.
Inventors
- 👤 John H Rumbarger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:19
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/2003; F16H25/2006; F16H25/24; F16H57/00; F16H57/04; F16H57/048; F16H57/0498; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18736; Y10T74/19; Y10T74/19623; Y10T74/1987; Y10T74/19893; Y10T74/19898; Y10T74/19902; Y10T74/19991; Y10T74/19995
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |