US2656570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic matrix for printing resistors
Assignee: Individual
•
Filing: 1951-11-15
•
Granted: 1953-10-27
•
Expires: 1971-11-15
Abstract
No abstract record available.
Inventors
- 👤 Elise F Harmon
- 👤 Philip J Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:46
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/10; Y; Y10; Y10S; Y10S425/00; Y10S425/811
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1849571A
Cited
US2152738A
Cited
US2256769A
Cited
US2302096A
Cited
US2286831A
Cited
GB605978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |