US3067175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyglycidaldehyde
Assignee: Shell USA Inc
•
Filing: 1960-03-07
•
Granted: 1962-12-04
•
Expires: 1980-03-07
Abstract
No abstract record available.
Inventors
- 👤 William J Sullivan
- 👤 Paul H Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:58
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/22; C08G2/00; C08G2/14; C08G2/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A HOMOPOLYMER OF A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
8 words
A HOMOPOLYMER OF A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2887498A
Cited
US2917470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |