US2548738A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1947-10-09
•
Granted: 1951-04-10
•
Expires: 1967-10-09
Abstract
No abstract record available.
Inventors
- 👤 John J Orlich
- 👤 Herman A Orlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:37
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/12; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18176; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US216752A
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US678172A
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FR348989A
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US976148A
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GB104201A
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US2145854A
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US2031609A
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US2108311A
Cited
US2281777A
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US2235631A
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US2240371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |