US2808180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed system of mixtures of thick oils and water and the like, to spray distribution apparatus especially for ointment of textile fibres
Assignee: Individual
•
Filing: 1956-05-14
•
Granted: 1957-10-01
•
Expires: 1976-05-14
Abstract
No abstract record available.
Inventors
- 👤 Calamai Giosue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:35
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/40; B01F33/403; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6579; Y10T137/8593; Y10T137/87265; Y10T137/87281
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |