US2494759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cord lock
Assignee: ADVANCE METAL PRODUCTS Co
•
Filing: 1947-12-19
•
Granted: 1950-01-17
•
Expires: 1967-12-19
Abstract
No abstract record available.
Inventors
- 👤 Hirschy Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:21
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/32; E06B9/324; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3969; Y10T24/3976
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US109412A
Cited
US225923A
Cited
US2172657A
Cited
US644633A
Cited
US923276A
Cited
US1427284A
Cited
US1674581A
Cited
US1903032A
Cited
US2091032A
Cited
US2141502A
Cited
US2318213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |