Patent US1234769A successfully refreshed from Google Patents.
US1234769A
Expired / Lapsed
US
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Internal-thread-cutting tool.
Assignee: Individual
•
Filing: 1917-02-24
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Granted: 1917-07-31
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Expires: 1937-02-24
Abstract
No abstract record available.
Inventors
- 👤 Patrick J Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:44
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/04; B23B29/12; B23B29/14; Y; Y10; Y10T; Y10T407/00; Y10T407/13; Y10T407/134; Y10T407/137; Y10T407/20; Y10T407/22; Y10T407/2222; Y10T407/2238; Y10T407/2272; Y10T407/2274
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) | 1920-07-30 | 1921-01-29 | 1921-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-07-30 | 1925-01-29 | 1925-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-07-30 | 1929-01-29 | 1929-07-31 | $7700.00 | Window Closed / Lapsed |