US1518707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planer or shaper
Assignee: Sleeper and Hartley Inc
•
Filing: 1919-11-17
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Granted: 1924-12-09
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Expires: 1939-11-17
Abstract
No abstract record available.
Inventors
- 👤 Frank H Sleeper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:15
CPC Classifications
B; B23; B23D; B23D1/00; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/504756; Y10T409/506232; Y10T409/506396; Y10T409/50738; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19744; Y10T74/19781; Y10T74/19805
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) | 1927-12-09 | 1928-06-09 | 1928-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-12-09 | 1932-06-09 | 1932-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-12-09 | 1936-06-09 | 1936-12-09 | $7700.00 | Window Closed / Lapsed |