US1158446A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1914-11-14
•
Granted: 1915-11-02
•
Expires: 1934-11-14
Abstract
No abstract record available.
Inventors
- 👤 Philip M Coffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:14
CPC Classifications
E; E05; E05B; E05B57/00; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5522; Y10T70/80; Y10T70/8865
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) | 1918-11-01 | 1919-05-03 | 1919-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-11-01 | 1923-05-03 | 1923-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-11-01 | 1927-05-03 | 1927-11-02 | $7700.00 | Window Closed / Lapsed |