Patent US3235875A successfully refreshed from Google Patents.
US3235875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1966-02-15
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Expires: 1983-02-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:27
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A DATA-TIME METER COMPRISING, IN COMBINATION, A CASE, A CARTRIDGE REMOVABLY SUPPORTED INTERIOR OF SAID CASE, MEANS ASSOCIATED WITH SAID CASE TO MARK ANY CARTRIDGE REPLACED THEREIN WITH A MARK UNIQUE TO SAID CASE, A RECORD MEDIUM INTERIOR OF SAID CARTRIDGE, AND MEANS TO MARK SAID RECORD MEDIUM AT THE INSTANT DATE AND TIME.
Claim 2
Dependent Claim
54 words
A DATA-TIME METER COMPRISING, IN COMBINATION, A CASE, A CARTRIDGE REMOVABLY SUPPORTED INTERIOR OF SAID CASE, MEANS ASSOCIATED WITH SAID CASE TO MARK ANY CARTRIDGE REPLACED THEREIN WITH A MARK UNIQUE TO SAID CASE, A RECORD MEDIUM INTERIOR OF SAID CARTRIDGE, AND MEANS TO MARK SAID RECORD MEDIUM AT THE INSTANT DATE AND TIME.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |