US1296536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanding-reamer.
Assignee: Individual
•
Filing: 1916-11-20
•
Granted: 1919-03-04
•
Expires: 1936-11-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Leech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:12
CPC Classifications
B; B23; B23D; B23D77/00; B23D77/02; B23D77/04; B23D77/042; Y; Y10; Y10T; Y10T407/00; Y10T407/14; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/1912; Y10T407/1914; Y10T407/1916; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8588; Y10T408/85892; Y10T408/85895; Y10T408/858953; Y10T408/858955
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) | 1922-03-03 | 1922-09-02 | 1923-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-03-03 | 1926-09-02 | 1927-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-03-03 | 1930-09-02 | 1931-03-04 | $7700.00 | Window Closed / Lapsed |