Patent US2872115A successfully refreshed from Google Patents.
US2872115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
ellerbeck
Assignee: —
•
Filing: —
•
Granted: 1959-02-03
•
Expires: 1976-02-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:38
CPC Classifications
G; G06; G06C; G06C15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1964211A
Cited
US1968201A
Cited
US2170406A
Cited
US2288323A
Cited
US2371752A
Cited
US2382661A
Cited
US967821A
Cited
US2388209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |