Patent US3350352A successfully refreshed from Google Patents.
US3350352A
Expired / Lapsed
US
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Halogenated bisphenols and glycidyl polyethers thereof
Assignee: 3M Co
•
Filing: 1962-09-06
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Granted: 1967-10-31
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Expires: 1982-09-06
Abstract
No abstract record available.
Inventors
- 👤 Carl M Smith
- 👤 Robert L Wear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:01
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/02; C08G59/04; C08G59/06; C08G59/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A GLYCIDYL POLYETHER OF A BISPHENOL, THE SAID BISPHENOL BEING REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
14 words
A GLYCIDYL POLYETHER OF A BISPHENOL, THE SAID BISPHENOL BEING REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
US1345373A
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US2412389A
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US2592560A
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US2506486A
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US2615007A
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US2632775A
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US2766293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |