Patent US2722724A successfully refreshed from Google Patents.
US2822003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book feeding mechanism for a band saw
Assignee: RR Donnelley and Sons Co
•
Filing: 1955-04-12
•
Granted: 1958-02-04
•
Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 John O Mccahon
- 👤 Robert G Proctor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:20
CPC Classifications
B; B27; B27B; B27B25/00; B27B25/04; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2094; Y10T83/2192; Y10T83/647; Y10T83/6476; Y10T83/654; Y10T83/6579
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US398048A
Cited
US877124A
Cited
US1736641A
Cited
US1795137A
Cited
US1849045A
Cited
US1856169A
Cited
US1870555A
Cited
US1934087A
Cited
FR771668A
Cited
US2403673A
Cited
US2616501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |