US2265273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of textile and other materials
Assignee: Henry Dreyfuss Associates LLC
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Filing: 1939-02-21
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Granted: 1941-12-09
•
Expires: 1959-02-21
Abstract
No abstract record available.
Inventors
- 👤 Dreyfus Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:02
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/223; D01; D01D; D01D10/00; D01D10/02; D01D5/00; D01D5/12; D01D5/14
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) | 1944-12-08 | 1945-06-09 | 1945-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-08 | 1949-06-09 | 1949-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-08 | 1953-06-09 | 1953-12-09 | $7700.00 | Window Closed / Lapsed |