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US2718883A
Expired / Lapsed
US
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Assignee: —
•
Filing: —
•
Granted: 1955-09-27
•
Expires: 1972-09-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:21
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/02; F02P3/04; F02P3/05; F02B; F02B23/00; F02B23/08; F02B23/10; F02B23/101; F02B1/00; F02B1/12; F02B17/00; F02B17/005; F02D; F02D35/00; F02D35/02; F02D35/023; F02D41/00; F02D41/30; F02D41/3011; F02D41/3017; F02D41/3035; F02D41/3041; F02D41/38; F02D41/3809; F02D41/3836; F02D41/40; F02D41/402; F02B75/00; F02B75/12; F02B2075/125; F02D41/0002; F02D2041/0015; F02D2041/389
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |