US1376559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ruler t-square
Assignee: Individual
•
Filing: 1919-06-24
•
Granted: 1921-05-03
•
Expires: 1939-06-24
Abstract
No abstract record available.
Inventors
- 👤 Samuel C Mckeown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:58
CPC Classifications
B; B43; B43L; B43L7/00; B43L7/005; B43L7/02; B43L7/10; B43L7/14; G; G01; G01B; G01B3/00; G01B3/02; G01B3/04; G01B3/56; G01B3/566; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7176
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1924-05-02 | 1924-11-01 | 1925-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-05-02 | 1928-11-01 | 1929-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-05-02 | 1932-11-01 | 1933-05-03 | $7700.00 | Window Closed / Lapsed |