US1358533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter-head
Assignee: Individual
•
Filing: 1920-04-26
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Granted: 1920-11-09
•
Expires: 1940-04-26
Abstract
No abstract record available.
Inventors
- 👤 Urial A Elston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:00
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/02; B27B5/04; B23; B23C; B23C5/00; B23C5/02; B23C5/08; B27B5/29; B27B5/30; B27B5/36; B28; B28D; B28D1/00; B28D1/18; B28D1/186; B28D1/188; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1902; Y10T407/1952; Y10T407/1956
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) | 1923-11-09 | 1924-05-10 | 1924-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-11-09 | 1928-05-10 | 1928-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-11-09 | 1932-05-10 | 1932-11-09 | $7700.00 | Window Closed / Lapsed |