US2471456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wool shrinkproofing baths containing a chloroprene polymer
Assignee: Montclair Research Corp
•
Filing: 1946-03-26
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Granted: 1949-05-31
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Expires: 1966-03-26
Abstract
No abstract record available.
Inventors
- 👤 John B Rust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:00
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/693; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2385
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1967863A
Cited
DE608681C
Cited
US2029410A
Cited
US2088407A
Cited
US2173242A
Cited
US2340358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |