Patent US2884959A successfully refreshed from Google Patents.
US2884959A
Expired / Lapsed
US
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Goggle valve structures
Assignee: Individual
•
Filing: 1955-05-25
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Granted: 1959-05-05
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Expires: 1975-05-25
Abstract
No abstract record available.
Inventors
- 👤 Eugene M Neely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:38
CPC Classifications
F; F16; F16K; F16K49/00; F16K49/005; C; C21; C21B; C21B7/00; C21B7/002; C21B7/005; C21B7/16; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/14; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6579
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) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |