US2872979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article severing and discharging mechanism
Assignee: AT&T Inc
•
Filing: 1954-03-30
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Granted: 1959-02-10
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Expires: 1974-03-30
Abstract
No abstract record available.
Inventors
- 👤 Frank A Schultz
- 👤 Robert W Strickland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:30
CPC Classifications
B; B23; B23D; B23D33/00; B23D33/02; B23D33/025; B23Q; B23Q7/00; B23Q7/04; B23Q7/041; B23Q7/042; B29; B29C; B29C31/00; B29C37/00; B29C37/0003; B29C37/02; B29C45/00; B29C45/14; B29C45/14549; B29C45/14565; B29C33/00; B29C33/44; B29C33/442; B29C70/00; B29C70/68; B29C70/74; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2198; Y10T83/2209; Y10T83/2216; Y10T83/2218; Y10T83/444; Y10T83/463; Y10T83/4635; Y10T83/546; Y10T83/869; Y10T83/8752
Claims Analysis
Total Claims: 0
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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) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |