US3457108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing adherent materials
Assignee: Dow Chemical Co
•
Filing: 1964-08-03
•
Granted: 1969-07-22
•
Expires: 1984-08-03
Abstract
No abstract record available.
Inventors
- 👤 George T Hittel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:27
CPC Classifications
F; F28; F28G; F28G9/00; F28G5/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1628530A
Cited
US1049054A
Cited
US1582974A
Cited
US1840834A
Cited
US2123434A
Cited
US2089317A
Cited
US2540395A
Cited
US2482904A
Cited
US2514797A
Cited
US2664274A
Cited
US2894861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |