Patent US1293944A successfully refreshed from Google Patents.
US1293944A
Expired / Lapsed
US
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Attachment device.
Assignee: Individual
•
Filing: —
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Granted: 1919-02-11
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Expires: 1936-02-11
Abstract
No abstract record available.
Inventors
- 👤 Isaac Scheinman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:11
CPC Classifications
G; G04; G04B; G04B37/00; G04B37/14; G04B37/1486; A; A44; A44C; A44C5/00; A44C5/14; Y; Y10; Y10T; Y10T24/00; Y10T24/47
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) | 1922-02-10 | 1922-08-12 | 1923-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-02-10 | 1926-08-12 | 1927-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-02-10 | 1930-08-12 | 1931-02-11 | $7700.00 | Window Closed / Lapsed |