US3478935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing device
Assignee: Dow Chemical Co
•
Filing: 1968-02-16
•
Granted: 1969-11-18
•
Expires: 1988-02-16
Abstract
No abstract record available.
Inventors
- 👤 Ray G Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:30
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/10; B05B11/1042; B05B11/1052; B05B11/1056; B05B11/1057; G; G01; G01F; G01F11/00; G01F11/02; G01F11/04; G01F11/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE511501C
Cited
FR565450A
Cited
AU2028334A
Cited
US2595118A
Cited
US2693899A
Cited
US2802606A
Cited
US2868421A
Cited
US2960260A
Cited
US3061202A
Cited
US3237809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |