US2888199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for determining check symbols
Assignee: Individual
•
Filing: 1955-08-10
•
Granted: 1959-05-26
•
Expires: 1975-08-10
Abstract
No abstract record available.
Inventors
- 👤 Reumerman Theodorus
- 👤 Willem H T Helmig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:11
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F11/1008; G06F11/1012; G06F11/104; B; B41; B41F; B41F33/00; B41F33/009; B41K; B41K3/00; B41K3/02; B41K3/04; B41K3/10; B41K3/102; G06M; G06M1/00; G06M1/04; G06M1/041; G06M1/042; G06M3/00; G06M3/12; H; H04; H04M; H04M15/00; H04M15/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2077962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |