Patent DE845104C successfully refreshed from Google Patents.
US2941428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Staking apparatus
Assignee: CRAMER CONTROLS Corp
•
Filing: 1959-06-15
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Granted: 1960-06-21
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Expires: 1979-06-15
Abstract
No abstract record available.
Inventors
- 👤 Frank L Riggio
- 👤 Alfred B Strempel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:17
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/16; B21J15/18; B21J9/00; B21J9/10; B21J9/12; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53709; Y10T29/53717
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US517172A
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US812787A
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US863346A
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US1196656A
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FR564290A
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US1523359A
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US2113161A
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US2332935A
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US2364420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |