Patent US3488260A successfully refreshed from Google Patents.
US3488260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash evaporators
Assignee: AMF Inc
•
Filing: 1966-03-23
•
Granted: 1970-01-06
•
Expires: 1986-03-23
Abstract
No abstract record available.
Inventors
- 👤 Frederick Walter Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:46
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/06; B01D3/065; Y; Y02; Y02A; Y02A20/00; Y02A20/124
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB831478A
Cited
US3003931A
Cited
US3096256A
Cited
US3174914A
Cited
US3228859A
Cited
US3203464A
Cited
US3259552A
Cited
US3219554A
Cited
US3197387A
Cited
US3312601A
Cited
US3342697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |