Patent US3040003A successfully refreshed from Google Patents.
US3040003A
Expired / Lapsed
US
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Synthetic polymers
Assignee: EIDP Inc
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Filing: 1958-07-10
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Granted: 1962-06-19
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Expires: 1978-07-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph G Beaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:21
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/08; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G18/28; C08G18/30; C08G18/32; C08G18/3225; C08G18/3246; C08G18/83; C08G18/838; C08G69/00; C08G71/00; Y; Y10; Y10S; Y10S528/00; Y10S528/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A SYNTHETIC POLYMER WHICH COMSISTS ESSENTIALLY OF REPEATING UNITS REPRESENTED BY THE GENERAL FORMULA
Claim 2
Dependent Claim
14 words
A SYNTHETIC POLYMER WHICH COMSISTS ESSENTIALLY OF REPEATING UNITS REPRESENTED BY THE GENERAL FORMULA
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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |