US2779956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blank reversing means for multiple spindle machine
Assignee: Devlieg Bullard Inc
•
Filing: 1950-05-02
•
Granted: 1957-02-05
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Expires: 1970-05-02
Abstract
No abstract record available.
Inventors
- 👤 Bertell C Butler
- 👤 Busch Elmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:56
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/22; B23Q17/2216; B23Q1/00; B23Q1/72; B23Q1/76; B23Q7/00; B23Q7/04; B23Q7/047; B23Q7/16; B23Q7/165; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/5129; Y10T408/00; Y10T408/52; Y10T82/00; Y10T82/25; Y10T82/2514
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US391533A
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US508864A
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US2100028A
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US1063593A
Cited
US1648900A
Cited
US1904493A
Cited
US2038541A
Cited
US2128186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |