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US3052678A
Expired / Lapsed
US
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Basic ethers of n-heterocyclic
Assignee: BANCAMERICA COMMERICAL Corp A CORP OF PA (THE LENDER)
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Filing: —
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Granted: 1962-09-04
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Expires: 1979-09-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:58
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/08; C07D471/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A BASIC ETHER OF THE FORMULA
Claim 2
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A BASIC ETHER OF THE FORMULA
References Cited (Backward Citations)
US2919271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |