US2923638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphalt adhesive composition
Assignee: LION OIL COMPANY (FORMERLY XYZ INC) EL DORADO AK AN AK CORP
•
Filing: 1956-05-14
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Granted: 1960-02-02
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Expires: 1976-05-14
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Hoiberg
- 👤 Charles E Cowger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:04
CPC Classifications
C; C09; C09J; C09J195/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US2562532A
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US2640786A
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US2695257A
Cited
US2661302A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |