US2547375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutoff device for tubing
Assignee: Wiremold Co
•
Filing: 1946-12-30
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Granted: 1951-04-03
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Expires: 1966-12-30
Abstract
No abstract record available.
Inventors
- 👤 Chernack Mary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:01
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/12; B21C37/127; Y; Y10; Y10S; Y10S83/00; Y10S83/907; Y10T; Y10T83/00; Y10T83/485; Y10T83/492; Y10T83/808; Y10T83/825; Y10T83/869; Y10T83/8776; Y10T83/8782
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US677126A
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US763124A
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US873430A
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US982770A
Cited
US1501774A
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US1955410A
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US2160497A
Cited
US2319198A
Cited
US2404424A
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 |