Patent US1449463A successfully refreshed from Google Patents.
US1449463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool-slide mechanism
Assignee: Warner and Swasey Co
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Filing: 1920-11-15
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Granted: 1923-03-27
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Expires: 1940-11-15
Abstract
No abstract record available.
Inventors
- 👤 John J N Van Hamersveld
- 👤 George W Drake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:17
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/34; B23Q2705/00; B23Q2705/10; B23Q2705/18; B23Q2705/182; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2541
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) | 1926-03-26 | 1926-09-25 | 1927-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-03-26 | 1930-09-25 | 1931-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-03-26 | 1934-09-25 | 1935-03-27 | $7700.00 | Window Closed / Lapsed |