US2824182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatoelectric record sensing device
Assignee: Royal Mcbee Corp
•
Filing: 1957-01-09
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Granted: 1958-02-18
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Expires: 1977-01-09
Abstract
No abstract record available.
Inventors
- 👤 Lambert Harry Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:59
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1588831A
Cited
US1911259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |