Patent DE258377C successfully refreshed from Google Patents.
Patent US3351622A successfully refreshed from Google Patents.
US3351622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers and textile materials treated therewith
Assignee: JP Stevens and Co Inc
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Filing: 1963-09-30
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Granted: 1967-11-07
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Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Giuliana C Tesoro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:22
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M15/427; C; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/333; C08G65/33303; C08G65/33306; C08G65/33396; C08G69/00; C08G69/40; C08G73/00; C08G73/02; C08G73/028; C08G75/00; C08G75/02; C08G75/04; C08G75/045; C08G75/12; D06M15/53; D06M15/63; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2418; Y10T442/2434
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A METHOD FOR MAKING POLYMERS COMPRISING POLYMERIZING (1) A POLYOXALKYLENE COMPOUND CONTAINING AT LEAST TWO GROUPS CORRESPONDING TO THE STRUCTURE
Claim 2
Independent Claim
20 words
A METHOD FOR MAKING POLYMERS COMPRISING POLYMERIZING (1) A POLYOXALKYLENE COMPOUND CONTAINING AT LEAST TWO GROUPS CORRESPONDING TO THE STRUCTURE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |