US3248366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated polycarbonates
Assignee: Honeywell International Inc
•
Filing: 1963-07-03
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Granted: 1966-04-26
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Expires: 1983-07-03
Abstract
No abstract record available.
Inventors
- 👤 George J Schmitt
- 👤 Bryce C Oxenrider
- 👤 Everett E Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:08
CPC Classifications
C; C08; C08G; C08G64/00; C08G64/20; C08G64/22; C08G64/24; C08G64/04; C08G64/06; C08G64/08; C08G64/10; D; D01; D01F; D01F6/00; D01F6/58; D01F6/62; D01F6/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A POLYCARBONATE RESIN COMPOSED OF THE RECURRING UNITS OF THE FORMULA:
Claim 2
Dependent Claim
11 words
A POLYCARBONATE RESIN COMPOSED OF THE RECURRING UNITS OF THE FORMULA:
References Cited (Backward Citations)
US2970131A
Cited
US3062781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |