Patent US2949129A successfully refreshed from Google Patents.
US2949129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device
Assignee: Individual
•
Filing: 1957-04-15
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Granted: 1960-08-16
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Expires: 1977-04-15
Abstract
No abstract record available.
Inventors
- 👤 Frederick L O Roehrig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:37
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/16; B65D51/1633; B65D51/1644; F; F16; F16K; F16K15/00; F16K15/02; F16K15/04; F16K15/042; F16K15/044; Y; Y10; Y10S; Y10S220/00; Y10S220/27; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7779; Y10T137/7837; Y10T137/7838; Y10T137/7904; Y10T137/7922; Y10T137/7927
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) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |