US2830048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
alpha, beta (disubstituted aminoalkyl) acetylenes
Assignee: LAKESIDE LAB Inc
•
Filing: 1954-11-10
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Granted: 1958-04-08
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Expires: 1974-11-10
Abstract
No abstract record available.
Inventors
- 👤 John H Biel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:26
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02; C07D295/04; C07D295/12; C07D295/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A MEMMER OF THE GROUP CONSISTING OF A 1,5-(N-DILOWER ALKYL AMINO)-2-PENTYNE, A 1,6-(N-DI-LOWER ALKYL AMINO)-2-HEXYNE, 1,6-(N-DI-LOWER ALKYLAMINO)-3-HEXYNE, AND COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
22 words
A MEMMER OF THE GROUP CONSISTING OF A 1,5-(N-DILOWER ALKYL AMINO)-2-PENTYNE, A 1,6-(N-DI-LOWER ALKYL AMINO)-2-HEXYNE, 1,6-(N-DI-LOWER ALKYLAMINO)-3-HEXYNE, AND COMPOUND OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |