Patent US3407171A successfully refreshed from Google Patents.
US3407171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of rigid high impact resistant polyvinyl chloride-chlorinated polyethylene products
Assignee: Honeywell International Inc
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Filing: 1964-11-27
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Granted: 1968-10-22
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Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 George E Segre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:38
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/24; C08K3/26; C08K3/34; C08K3/36; C08L; C08L23/00; C08L23/26; C08L23/28; C08L27/00; C08L27/02; C08L27/04; C08L27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |