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US2587746A
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Assignee: Individual
•
Filing: 1949-02-28
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Granted: 1952-03-04
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Expires: 1969-02-28
Abstract
No abstract record available.
Inventors
- 👤 May Otto Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:51
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/10; B30B1/106; B30B1/16; F; F16; F16H; F16H21/00; F16H21/10; F16H21/16; F16H21/18; F16H21/22; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20588
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE246892C
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US643832A
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US1091659A
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US1387729A
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US1680729A
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US1820051A
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US1675494A
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US1945496A
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US2269308A
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US2318814A
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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) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |