US2547068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Index strip and method of making the same
Assignee: Individual
•
Filing: 1949-03-28
•
Granted: 1951-04-03
•
Expires: 1969-03-28
Abstract
No abstract record available.
Inventors
- 👤 Elwood J Way
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:25
CPC Classifications
B; B42; B42F; B42F21/00; Y; Y10; Y10S; Y10S206/00; Y10S206/82; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1082; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24529
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1454845A
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US1185538A
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US1594112A
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US1597539A
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US1801401A
Cited
US1937858A
Cited
US2070527A
Cited
US2058035A
Cited
US2201950A
Cited
US2130183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |