US2714971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum containers
Assignee: —
•
Filing: —
•
Granted: 1955-08-09
•
Expires: 1972-08-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:34
CPC Classifications
A; A47; A47J; A47J39/00; A45; A45C; A45C11/00; A45C11/20; F; F25; F25D; F25D3/00; F25D3/02; F25D3/06; F25D3/08; B; B65; B65D; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00296; B65D2543/00444; B65D2543/00481; B65D2543/00537
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US180661A
Cited
US298694A
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US446254A
Cited
US2435981A
Cited
US1125371A
Cited
US1249641A
Cited
US1982814A
Cited
US2097186A
Cited
US2349099A
Cited
US2491101A
Cited
US2511710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |