US2487713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for crimping metal
Assignee: Individual
•
Filing: 1944-09-08
•
Granted: 1949-11-08
•
Expires: 1964-09-08
Abstract
No abstract record available.
Inventors
- 👤 Kroier Waldemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:09
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/02; B21D39/025; B21D39/03; B21D39/031; E; E04; E04D; E04D15/00; E04D15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US417948A
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US1784213A
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DE507196C
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US1920413A
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US1893901A
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US1943452A
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US2036725A
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US2177536A
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US2315596A
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US2259410A
Cited
US2360879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |