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Patent US2453681A successfully refreshed from Google Patents.
US2453681A
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Tube perforating machine
Assignee: Victor Metal Products Corp
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Filing: 1946-12-14
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Granted: 1948-11-09
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Expires: 1966-12-14
Abstract
No abstract record available.
Inventors
- 👤 Harold F Temple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:18
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/28; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/2183; Y10T83/2187; Y10T83/22; Y10T83/2205; Y10T83/2209; Y10T83/2216; Y10T83/384; Y10T83/387; Y10T83/395; Y10T83/40; Y10T83/401; Y10T83/402; Y10T83/444; Y10T83/4637; Y10T83/464; Y10T83/4642; Y10T83/4645
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE280475C
Cited
DE226657C
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US666905A
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US1595678A
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US2354860A
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US2419534A
Cited
US2423791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |