Patent US1332445A successfully refreshed from Google Patents.
US1332445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting sheet metal
Assignee: Individual
•
Filing: 1917-04-03
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Granted: 1920-03-02
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Expires: 1937-04-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph D Mershon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:45
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/08; B23Q3/086; B23P; B23P25/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812; Y10T409/00; Y10T409/30; Y10T409/303752; Y10T409/303808
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) | 1923-03-02 | 1923-09-01 | 1924-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-03-02 | 1927-09-01 | 1928-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-03-02 | 1931-09-01 | 1932-03-02 | $7700.00 | Window Closed / Lapsed |