US3299171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibers of modified polypivalolactone
Assignee: EIDP Inc
•
Filing: 1964-04-20
•
Granted: 1967-01-17
•
Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Fred W Knobloch
- 👤 William O Statton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:20
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/58; D01F6/62; D01F6/625; C; C08; C08G; C08G63/00; C08G63/02; C08G63/06; C08G63/08; C08L; C08L67/00; C08L67/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A HIGH WORK RECOVERY FIBER CONSITING ESSENTIALLY OF POLYPRIVALOLACTONE, SAID FIBER HAVING AN ORIENTATION ANGLE LESS THAN THE NUMERICAL VALUE GIVEN BY THE EXPRESSION
Claim 2
Dependent Claim
24 words
A HIGH WORK RECOVERY FIBER CONSITING ESSENTIALLY OF POLYPRIVALOLACTONE, SAID FIBER HAVING AN ORIENTATION ANGLE LESS THAN THE NUMERICAL VALUE GIVEN BY THE EXPRESSION
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |