Patent US3915609A successfully refreshed from Google Patents.
Patent US2103935A successfully refreshed from Google Patents.
US2103935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for preventing evaporation of volatile products
Assignee: Individual
•
Filing: 1935-12-10
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Granted: 1937-12-28
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Expires: 1955-12-10
Abstract
No abstract record available.
Inventors
- 👤 Cossais Raoul Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:20
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4328; F02M2700/4333; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4643; Y10T137/7722; Y10T137/7771; Y10T137/7772; Y10T137/7774; Y10T137/7779; Y10T137/778
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-12-27 | 1941-06-28 | 1941-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-12-27 | 1945-06-28 | 1945-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-12-27 | 1949-06-28 | 1949-12-28 | $7700.00 | Window Closed / Lapsed |