US2517539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lather making machine and method of making lather
Assignee: John Oster Manufacturing Co
•
Filing: 1949-09-16
•
Granted: 1950-08-08
•
Expires: 1969-09-16
Abstract
No abstract record available.
Inventors
- 👤 Ellis M Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:11
CPC Classifications
A; A45; A45D; A45D27/00; A45D27/02; A45D27/12
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |