US1327693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermos-tank and valve therefor
Assignee: Individual
•
Filing: 1919-02-15
•
Granted: 1920-01-13
•
Expires: 1939-02-15
Abstract
No abstract record available.
Inventors
- 👤 James O Bewan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:47
CPC Classifications
E; E03; E03B; E03B11/00; E03B11/02; E03B11/06; Y; Y10; Y10S; Y10S220/00; Y10S220/918; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7043; Y10T137/7058; Y10T137/7722; Y10T137/7837; Y10T137/7897; Y10T137/8593; Y10T137/86292; Y10T137/86324
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) | 1923-01-12 | 1923-07-14 | 1924-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-01-12 | 1927-07-14 | 1928-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-01-12 | 1931-07-14 | 1932-01-13 | $7700.00 | Window Closed / Lapsed |