US2732367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
ruuivj
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
•
Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:30
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A PHOSPHORUS-CONTAINING RESINOUS PRODUCT OBTAINED BY HEATING AT LEAST ONE POLYEPOXIDE WITH A PHOSPHONIC ACID GROUP CONSISTING OF (1) MONOPHOSPHONIC ACIDS OF THE FORMULA
Claim 2
Dependent Claim
24 words
A PHOSPHORUS-CONTAINING RESINOUS PRODUCT OBTAINED BY HEATING AT LEAST ONE POLYEPOXIDE WITH A PHOSPHONIC ACID GROUP CONSISTING OF (1) MONOPHOSPHONIC ACIDS OF THE FORMULA
References Cited (Backward Citations)
US2670367A
Cited
US2686771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |