Patent US1434549A successfully refreshed from Google Patents.
US1434549A
Expired / Lapsed
US
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Process of flash-proofing fabrics
Assignee: Lewis Green Mcadam & Knowland
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Filing: 1919-10-16
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Granted: 1922-11-07
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Expires: 1939-10-16
Abstract
No abstract record available.
Inventors
- 👤 Warren K Lewis
- 👤 Harold C Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:38
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/51; D06M11/55; D06M11/57; D06M11/68; D06M11/70; D06M11/71; Y; Y10; Y10S; Y10S8/00; Y10S8/93
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) | 1925-11-06 | 1926-05-08 | 1926-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-11-06 | 1930-05-08 | 1930-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-11-06 | 1934-05-08 | 1934-11-07 | $7700.00 | Window Closed / Lapsed |