Patent US1249987A successfully refreshed from Google Patents.
US1249987A
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Assignee: Individual
•
Filing: 1913-02-13
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Granted: 1917-12-11
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Expires: 1933-02-13
Abstract
No abstract record available.
Inventors
- 👤 Courtney N Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:06
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/32; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/926; Y10S411/927; Y10T; Y10T292/00; Y10T292/51
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) | 1920-12-10 | 1921-06-11 | 1921-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-12-10 | 1925-06-11 | 1925-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-12-10 | 1929-06-11 | 1929-12-11 | $7700.00 | Window Closed / Lapsed |