US2438201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rivet stem puller and cutter
Assignee: B F B ENGINEERS Inc
•
Filing: 1944-06-23
•
Granted: 1948-03-23
•
Expires: 1964-06-23
Abstract
No abstract record available.
Inventors
- 👤 Conrad R Buchet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:54
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/38; B21J15/386; B21J15/02; B21J15/04; B21J15/043; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5116; Y10T29/5118; Y10T29/53; Y10T29/53709; Y10T29/53717; Y10T29/53726
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US52714A
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US511885A
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US847980A
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US1766035A
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US1829696A
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US2049822A
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US2132112A
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US2216767A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-23 | 1951-09-22 | 1952-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-23 | 1955-09-22 | 1956-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-23 | 1959-09-22 | 1960-03-23 | $7700.00 | Window Closed / Lapsed |