US3004959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers of substituted tetrazoles
Assignee: Individual
•
Filing: 1959-09-30
•
Granted: 1961-10-17
•
Expires: 1979-09-30
Abstract
No abstract record available.
Inventors
- 👤 William G Finnegan
- 👤 Ronald A Henry
- 👤 Skolnik Sol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:52
CPC Classifications
C; C07; C07D; C07D257/00; C07D257/02; C07D257/04; C06; C06B; C06B43/00; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105; C07D257/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
POLYMERS OF COMPOUNDS OF THE GROUP CONSISTING OF COMPOUNDS REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
13 words
POLYMERS OF COMPOUNDS OF THE GROUP CONSISTING OF COMPOUNDS REPRESENTED BY THE FORMULA
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) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |