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US2933506A Expired / Lapsed US ⏱️ 0.0 years remaining

1, 1-dimethyldecaline lactones and their 6-and 7-pyridyl, thienyl and furyl substituted derivatives

Assignee: Dragoco Gerberding and Co GmbH
•
Filing: 1957-05-01
•
Granted: 1960-04-19
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Expires: 1977-05-01
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Abstract

No abstract record available.

Inventors

  • 👤 Ohloff Guenther

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:01
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0042; C11B9/0046; C11B9/0049; C11B9/0053

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 9 words
THE MIXTURE OF THE 1,1,7-TRIMETHYL-DECALINE-Y-LACTONE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 9 words
THE MIXTURE OF THE 1,1,7-TRIMETHYL-DECALINE-Y-LACTONE COMPOUND OF THE FORMULA

References Cited (Backward Citations)

US2262002A Cited
US2327066A Cited
US2373568A Cited
US2563206A Cited
US2501200A Cited
US2508786A Cited
US2583450A Cited
US2517709A Cited
US2680748A Cited
US2702807A Cited
US2744120A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-04-19 1963-10-19 1964-04-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-04-19 1967-10-19 1968-04-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-04-19 1971-10-19 1972-04-19 $7700.00 Window Closed / Lapsed

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