US2943991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wax composition comprising a mixture of specific paraffin waxes and 1-2% of a microcrstalline wax
Assignee: Sunoco Inc
•
Filing: 1958-03-13
•
Granted: 1960-07-05
•
Expires: 1978-03-13
Abstract
No abstract record available.
Inventors
- 👤 John D Tench
- 👤 Irl N Duling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:46
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/06; C09D191/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734365A
Cited
US2361582A
Cited
US2783161A
Cited
US2773812A
Cited
US2846375A
Cited
US2825635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |