Patent US2678338A successfully refreshed from Google Patents.
US2572076A
Expired / Lapsed
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Phosphorus-containing resins and the method of preparing the same
Assignee: Victor Chemical Works
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Filing: 1947-11-01
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Granted: 1951-10-23
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Expires: 1967-11-01
Abstract
No abstract record available.
Inventors
- 👤 Toy Arthur Dock Fon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:55
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/02; C08G79/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A FUSIBLE LINEAR POLYMER IN WHICH THE REPEATING UNITS CONSISTS OF
Claim 2
Dependent Claim
11 words
A FUSIBLE LINEAR POLYMER IN WHICH THE REPEATING UNITS CONSISTS OF
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) | 1954-10-22 | 1955-04-23 | 1955-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-22 | 1959-04-23 | 1959-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-22 | 1963-04-23 | 1963-10-23 | $7700.00 | Window Closed / Lapsed |