US2687789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving mechanism
Assignee: Individual
•
Filing: 1948-08-19
•
Granted: 1954-08-31
•
Expires: 1968-08-19
Abstract
No abstract record available.
Inventors
- 👤 Romeo M Nardone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:06
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; B64C25/24; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/131; Y10T74/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB494119A
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GB493616A
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GB496943A
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GB480576A
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US2203024A
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US2334657A
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US2382765A
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US2429425A
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US2391333A
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US2419333A
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US2444118A
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US2578094A
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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) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |