US3406708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve locking attachment
Assignee: RULETA CO Inc
•
Filing: 1966-01-21
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Granted: 1968-10-22
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Expires: 1986-01-21
Abstract
No abstract record available.
Inventors
- 👤 Edward J Maydock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:48
CPC Classifications
F; F16; F16K; F16K35/00; F16K35/10; Y; Y10; Y10S; Y10S70/00; Y10S70/58; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7043; Y10T137/7062; Y10T137/7069; Y10T137/7256; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/487; Y10T70/493; Y10T70/50; Y10T70/5611; Y10T70/5615; Y10T70/5619; Y10T70/5624; Y10T70/5637
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) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |