US1735973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scale construction
Assignee: Individual
•
Filing: 1927-12-19
•
Granted: 1929-11-19
•
Expires: 1947-12-19
Abstract
No abstract record available.
Inventors
- 👤 Luke W Northfield
- 👤 Wesley A Northfield
- 👤 Glenn H Northfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:08
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/02; G01G19/04
Claims Analysis
Total Claims: 0
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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) | 1932-11-18 | 1933-05-20 | 1933-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-11-18 | 1937-05-20 | 1937-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-11-18 | 1941-05-20 | 1941-11-19 | $7700.00 | Window Closed / Lapsed |