US2715925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball and inclined race mechanical movements
Assignee: MORGAN DEV LAB Inc
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Filing: 1952-06-12
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Granted: 1955-08-23
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Expires: 1972-06-12
Abstract
No abstract record available.
Inventors
- 👤 Porter S Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:05
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/183; B; B25; B25B; B25B5/00; B25B5/06; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19712; Y10T74/19744; Y10T74/19781; Y10T74/19786
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) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |