US3482947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed device for a film reactor
Assignee: Procter and Gamble Co
•
Filing: 1966-07-14
•
Granted: 1969-12-09
•
Expires: 1986-07-14
Abstract
No abstract record available.
Inventors
- 👤 Ronald Lowell Jacobsen
- 👤 William Robert Kristoff
- 👤 Tom H Ohren
- 👤 Dale Spatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:18
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/24; B01J19/2415; B01J19/2425; B01J10/00; B01J10/02; B01J19/247; B01J4/00; B01J4/001; B01J4/002; C; C07; C07C; C07C309/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2119886A
Cited
US2923728A
Cited
US3169142A
Cited
US3270038A
Cited
US3328460A
Cited
US3318588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |