US2929805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neoprene cement
Assignee: Bridgestone Firestone Inc
•
Filing: 1957-01-09
•
Granted: 1960-03-22
•
Expires: 1977-01-09
Abstract
No abstract record available.
Inventors
- 👤 William E Tann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:12
CPC Classifications
C; C08; C08L; C08L11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A QUICK-CURING CEMENT CONTAINING A RUBBERY CHLOROPRENE POLYMER, A SOLVENT FOR SAID POLYMER, AND, AS AN ACCELERATOR, A RELATIVELY SMALL PROPORTION OF DIBENZYLAMINE AND A MIXTURE OF RELATIVELY SMALL AMOUNTS OF CARBON DISULFIDE WITH AN ALKYLENE POLYAMINE.
Claim 2
Dependent Claim
37 words
A QUICK-CURING CEMENT CONTAINING A RUBBERY CHLOROPRENE POLYMER, A SOLVENT FOR SAID POLYMER, AND, AS AN ACCELERATOR, A RELATIVELY SMALL PROPORTION OF DIBENZYLAMINE AND A MIXTURE OF RELATIVELY SMALL AMOUNTS OF CARBON DISULFIDE WITH AN ALKYLENE POLYAMINE.
References Cited (Backward Citations)
US2163611A
Cited
US2514192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |