US2431118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Implement holder
Assignee: Individual
•
Filing: 1946-05-22
•
Granted: 1947-11-18
•
Expires: 1966-05-22
Abstract
No abstract record available.
Inventors
- 👤 George P Heigle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:14
CPC Classifications
B; B25; B25F; B25F1/00; B25F1/02; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17529; Y10T279/17547; Y10T279/17863
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US220933A
Cited
US993100A
Cited
US987173A
Cited
US1420342A
Cited
US1989225A
Cited
US2109108A
Cited
US2389372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-17 | 1951-05-19 | 1951-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-17 | 1955-05-19 | 1955-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-17 | 1959-05-19 | 1959-11-18 | $7700.00 | Window Closed / Lapsed |