US2562689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw and nut transmission
Assignee: C EARL HOVEY
•
Filing: 1948-06-21
•
Granted: 1951-07-31
•
Expires: 1968-06-21
Abstract
No abstract record available.
Inventors
- 👤 Curtis C Baldwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:54
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/02; A01D34/24; A01D41/00; A01D41/04; F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/2015; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18688; Y10T74/18712; Y10T74/1872
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2410918A
Cited
US662484A
Cited
US1294697A
Cited
US2004298A
Cited
US2135621A
Cited
US2320953A
Cited
US2424492A
Cited
US2420219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |