US3344170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbonylene bis
Assignee: Dow Chemical Co
•
Filing: 1963-09-10
•
Granted: 1967-09-26
•
Expires: 1983-09-10
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Strycker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:08
CPC Classifications
A; A01; A01N; A01N51/00; A01N47/00; A01N47/08; A01N47/10; C; C07; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
4 words
COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2647916A
Cited
US2706678A
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US2720452A
Cited
GB918882A
Cited
US3105848A
Cited
US3264083A
Cited
GB935671A
Cited
US3178470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |