US3639367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joining live polymers by means of monohalogen compounds
Assignee: Bridgestone Firestone Inc
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Filing: 1969-10-08
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Granted: 1972-02-01
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Expires: 1989-10-08
Abstract
Abstract RUBBER MOLECULES ARE JOINED BY AN ORGANIC COMPOUND WHICH COMPRISES A SINGLE HALOGEN ATOM.
Inventors
- 👤 Adel F Halasa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:15
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/30; C08C19/42; C08C19/44
Claims Analysis
Total Claims: 0
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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) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |