US1144867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for sawing metals.
Assignee: BURTON FILS SOC
•
Filing: 1913-10-02
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Granted: 1915-06-29
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Expires: 1933-10-02
Abstract
No abstract record available.
Inventors
- 👤 Edwin Olaf Rothman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:14
CPC Classifications
B; B23; B23D; B23D47/00; B23D47/128; B23D47/04; Y; Y10; Y10T; Y10T83/00; Y10T83/748; Y10T83/7487; Y10T83/756; Y10T83/768; Y10T83/7755; Y10T83/7788
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) | 1918-06-28 | 1918-12-28 | 1919-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-06-28 | 1922-12-28 | 1923-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-06-28 | 1926-12-28 | 1927-06-29 | $7700.00 | Window Closed / Lapsed |