Patent US1849999A successfully refreshed from Google Patents.
US1849999A
Expired / Lapsed
US
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Connecter
Assignee: MATTHEWS W N CORP
•
Filing: 1931-06-22
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Granted: 1932-03-15
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Expires: 1951-06-22
Abstract
No abstract record available.
Inventors
- 👤 Birkenmaier Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:35
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/28; H01R4/30; H01R4/32; H01R4/50; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7152; Y10T403/7171
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) | 1935-03-15 | 1935-09-14 | 1936-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-03-15 | 1939-09-14 | 1940-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-03-15 | 1943-09-14 | 1944-03-15 | $7700.00 | Window Closed / Lapsed |