US1285820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic milling-machine.
Assignee: CHALSMITH Co
•
Filing: 1916-08-17
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Granted: 1918-11-26
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Expires: 1936-08-17
Abstract
No abstract record available.
Inventors
- 👤 Elmer J Smith
- 👤 George Mayer
- 👤 Charles Vergan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:39
CPC Classifications
B; B23; B23C; B23C3/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49274; Y10T29/49284; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/513; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/306776; Y10T409/307; Y10T409/307168
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) | 1921-11-25 | 1922-05-27 | 1922-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-11-25 | 1926-05-27 | 1926-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-11-25 | 1930-05-27 | 1930-11-26 | $7700.00 | Window Closed / Lapsed |