US1389565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine element
Assignee: WHITNEY METAL TOOL CO
•
Filing: 1918-10-04
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Granted: 1921-08-30
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Expires: 1938-10-04
Abstract
No abstract record available.
Inventors
- 👤 Jensen John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:40
CPC Classifications
B; B23; B23D; B23D17/00; B23D17/02; B23D17/08; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19721; Y10T83/00; Y10T83/404; Y10T83/416; Y10T83/42; Y10T83/869; Y10T83/8798; Y10T83/8804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1924-08-29 | 1925-02-28 | 1925-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-08-29 | 1929-02-28 | 1929-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-08-29 | 1933-02-28 | 1933-08-30 | $7700.00 | Window Closed / Lapsed |