US1185180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of boring axially-curved holes.
Assignee: Individual
•
Filing: 1915-09-13
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Granted: 1916-05-30
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Expires: 1935-09-13
Abstract
No abstract record available.
Inventors
- 👤 Fred A Close
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:13
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/01; B23Q1/015; B23P; B23P15/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49995; Y10T29/49996; Y10T408/00; Y10T408/03; Y10T408/65; Y10T408/665; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8588; Y10T408/85892; Y10T408/85895; Y10T408/858957; Y10T409/00; Y10T409/30; Y10T409/303752; Y10T409/30448
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) | 1919-05-30 | 1919-11-29 | 1920-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-05-30 | 1923-11-29 | 1924-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-05-30 | 1927-11-29 | 1928-05-30 | $7700.00 | Window Closed / Lapsed |