US2446020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape rule
Assignee: MASTER RULE Manufacturing CO Inc
•
Filing: 1943-12-24
•
Granted: 1948-07-27
•
Expires: 1963-12-24
Abstract
No abstract record available.
Inventors
- 👤 Ragnar C Nicholson
- 👤 Nathan H Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:32
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/10; G01B3/1005; G01B3/1041; G01B3/1007; G01B2003/1015; G01B2003/1033; G01B2003/1035; G01B2003/1053; G01B3/1046
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) | 1951-07-27 | 1952-01-26 | 1952-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-27 | 1956-01-26 | 1956-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-27 | 1960-01-26 | 1960-07-27 | $7700.00 | Window Closed / Lapsed |