US2889191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting of sheet records
Assignee: McGraw Edison Co
•
Filing: 1954-11-12
•
Granted: 1959-06-02
•
Expires: 1974-11-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Dinsmore
- 👤 Ii Arthur G Thorp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:39
CPC Classifications
G; G11; G11B; G11B7/00; G06; G06K; G06K7/00; G11B25/00; G11B25/04; G11B5/00; G11B5/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307257A
Cited
US1454818A
Cited
US2653819A
Cited
US2729453A
Cited
US2666808A
Cited
US2701177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |