US3376212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preventing crystals from forming in creosote and the resulting product
Assignee: United States Steel Corp
•
Filing: 1966-02-10
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Granted: 1968-04-02
•
Expires: 1986-02-10
Abstract
No abstract record available.
Inventors
- 👤 Philip X Masciantonio
- 👤 Myron H Wilt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:45
CPC Classifications
C; C10; C10C; C10C3/00; C10C3/02; C10C3/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1812829A
Cited
US2014766A
Cited
US2838447A
Cited
US2916432A
Cited
US2988477A
Cited
US3278377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |