US2556010A
Expired / Lapsed
US
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Indexing mechanism for translating a reciprocatory motion into a step-by-step rotarymotion
Assignee: AT&T Inc
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Filing: 1949-02-08
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Granted: 1951-06-05
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Expires: 1969-02-08
Abstract
No abstract record available.
Inventors
- 👤 Nils H Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:30
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/14; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/022; B23Q16/026; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49895; Y10T29/49902; Y10T74/00; Y10T74/18; Y10T74/1856
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |