US3474434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Meter recording system compatible with electronic data processing accounting and billing operations
Assignee: JOHN W CADE
•
Filing: 1966-06-15
•
Granted: 1969-10-21
•
Expires: 1986-06-15
Abstract
No abstract record available.
Inventors
- 👤 Richard W Lindberg
- 👤 John W Cade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:01
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/07; G01F15/075; G01F15/0755; G01D; G01D15/00; G01D15/16; G01F15/06; G01F15/061; G01F15/063; G06; G06K; G06K1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1694237A
Cited
US2319412A
Cited
US2957160A
Cited
US3153780A
Cited
US3266018A
Cited
US3313160A
Cited
US3414676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |