Patent US1984839A successfully refreshed from Google Patents.
US1984839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Identification means for tools
Assignee: Individual
•
Filing: 1933-11-07
•
Granted: 1934-12-18
•
Expires: 1953-11-07
Abstract
No abstract record available.
Inventors
- 👤 Murray Guy Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:59
CPC Classifications
G; G09; G09F; G09F3/00; B; B23; B23B; B23B2260/00; B23B2260/104; Y; Y10; Y10S; Y10S116/00; Y10S116/01; Y10S279/00; Y10S279/90; Y10S40/00; Y10S40/913; Y10S81/00; Y10S81/05; Y10T; Y10T408/00; Y10T408/89; Y10T408/907
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) | 1937-12-17 | 1938-06-18 | 1938-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-17 | 1942-06-18 | 1942-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-17 | 1946-06-18 | 1946-12-18 | $7700.00 | Window Closed / Lapsed |