US2704040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
warrington
Assignee: —
•
Filing: —
•
Granted: 1955-03-15
•
Expires: 1972-03-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:46
CPC Classifications
A; A21; A21B; A21B1/00; A21B1/42; A21B1/48; A21B1/02; A21B1/24; A21B1/245; A21B1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE94439C
Cited
FR965635A
Cited
US1436037A
Cited
US1641313A
Cited
US1829670A
Cited
US1971766A
Cited
US2286049A
Cited
US2568695A
Cited
US2575291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |