US1293186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating felts and the like.
Assignee: Barrett Co Inc
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Filing: 1917-10-04
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Granted: 1919-02-04
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Expires: 1937-10-04
Abstract
No abstract record available.
Inventors
- 👤 Ray P Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:37
CPC Classifications
D; D06; D06M; D06M23/00; D06M23/08; A; A22; A22C; A22C13/00; A22C13/0003; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; D21; D21H; D21H25/00; D21H25/04
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) | 1922-02-03 | 1922-08-05 | 1923-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-02-03 | 1926-08-05 | 1927-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-02-03 | 1930-08-05 | 1931-02-04 | $7700.00 | Window Closed / Lapsed |