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US3278542A
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US3278542A - - Google Patents
Assignee: —
•
Filing: —
•
Granted: 1966-10-11
•
Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:12
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A $3-PIPERIDEINOALKYL GUANIDINE DERIVATIVE SELECTED FROM THE GROUP REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
12 words
A $3-PIPERIDEINOALKYL GUANIDINE DERIVATIVE SELECTED FROM THE GROUP REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
US3006913A
Cited
US2928829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |