US2770246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple cam load devices for pressure regulators
Assignee: Hagan Corp
•
Filing: 1953-06-18
•
Granted: 1956-11-13
•
Expires: 1973-06-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Shafer
- 👤 Waxman Aaron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:25
CPC Classifications
G; G05; G05B; G05B6/00; G05B6/05; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US821321A
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US1638102A
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US1666270A
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US2220180A
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US2352312A
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US2388457A
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US2536184A
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US2517079A
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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) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |