US3515710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beryllium containing polymeric composition
Assignee: Dal Mon Research Co
•
Filing: 1961-09-27
•
Granted: 1970-06-02
•
Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 Gaetano F D Alelio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:52
CPC Classifications
C; C08; C08G; C08G79/00; C08L; C08L85/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A POLYMER SELECTED FROM THE CLASS CONSISTING OF:
Claim 2
Dependent Claim
8 words
A POLYMER SELECTED FROM THE CLASS CONSISTING OF:
References Cited (Backward Citations)
US2699457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |