US1391195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1921-09-20
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Expires: 1938-09-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:20
CPC Classifications
E; E01; E01B; E01B25/00; E01B25/22; E01B25/26; B; B65; B65G; B65G2812/00; B65G2812/02; B65G2812/02009; B65G2812/02019; B65G2812/02069; B65G2812/02079
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) | 1924-09-19 | 1925-03-21 | 1925-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-09-19 | 1929-03-21 | 1929-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-09-19 | 1933-03-21 | 1933-09-20 | $7700.00 | Window Closed / Lapsed |