US2543527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch machine for punching electrical heater elements
Assignee: Individual
•
Filing: 1946-11-01
•
Granted: 1951-02-27
•
Expires: 1966-11-01
Abstract
No abstract record available.
Inventors
- 👤 Gyuris John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:09
CPC Classifications
B; B21; B21D; B21D31/00; B21D31/02; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/8831
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US346580A
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US454618A
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US455015A
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US776511A
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US1272747A
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US1344435A
Cited
US1302249A
Cited
US1343639A
Cited
US1533681A
Cited
US1906897A
Cited
US2162918A
Cited
US2389466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |