US3277160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2, 3, 6-trichloromandelic acid and salts thereof
Assignee: Hooker Chemical Corp
•
Filing: 1961-06-12
•
Granted: 1966-10-04
•
Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Edward D Weil
- 👤 Linder Jerome
- 👤 Dorfman Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:30
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/40; C07C59/42; C07C59/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
8 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
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Cited
US2146060A
Cited
US2405873A
Cited
US2394916A
Cited
US2540307A
Cited
US3056669A
Cited
US2977212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |