US2825506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draft regulator
Assignee: Individual
•
Filing: 1953-05-11
•
Granted: 1958-03-04
•
Expires: 1973-05-11
Abstract
No abstract record available.
Inventors
- 👤 William F Steinen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:16
CPC Classifications
F; F23; F23L; F23L11/00; F23L11/02; F23L13/00; F23L13/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US123252A
Cited
US2555687A
Cited
CH217436A
Cited
US2289579A
Cited
US2264590A
Cited
US2624513A
Cited
US2652200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |