US2507632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dehydrating materials under low-pressure conditions
Assignee: Eastman Kodak Co
•
Filing: 1944-11-30
•
Granted: 1950-05-16
•
Expires: 1964-11-30
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C D Hickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:29
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/06; B; B01; B01D; B01D5/00; B01D5/0027; B01D5/0033; B01D5/0039; B01D5/0078; B01D5/0087; B01D5/009; B01D7/00; B01D7/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US327948A
Cited
US1888242A
Cited
US1076923A
Cited
US1458403A
Cited
US1756992A
Cited
GB352910A
Cited
US1974145A
Cited
US2028340A
Cited
US2199815A
Cited
US2374232A
Cited
US2345548A
Cited
US2312811A
Cited
US2400748A
Cited
US2435503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |