US2042018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing mirror wheels
Assignee: Individual
•
Filing: 1932-12-23
•
Granted: 1936-05-26
•
Expires: 1952-12-23
Abstract
No abstract record available.
Inventors
- 👤 Papst Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:59
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/02; H04N3/08; G; G02; G02B; G02B5/00; G02B5/08; G02B5/09; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49995; Y10T29/49996; Y10T409/00; Y10T409/50; Y10T409/50082; Y10T82/00; Y10T82/26; Y10T82/266; Y10T82/268
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) | 1939-05-26 | 1939-11-25 | 1940-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-05-26 | 1943-11-25 | 1944-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-05-26 | 1947-11-25 | 1948-05-26 | $7700.00 | Window Closed / Lapsed |