US2520403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire-wrapping machine
Assignee: Lock Joint Pipe Co
•
Filing: 1944-09-30
•
Granted: 1950-08-29
•
Expires: 1964-09-30
Abstract
No abstract record available.
Inventors
- 👤 Philip R Hirsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:37
CPC Classifications
B; B65; B65H; B65H81/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49874; Y10T29/49885
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US101157A
Cited
US198895A
Cited
US544479A
Cited
US1316589A
Cited
US1500769A
Cited
US754586A
Cited
US2370780A
Cited
US2364696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-28 | 1954-02-27 | 1954-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-28 | 1958-02-27 | 1958-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-28 | 1962-02-27 | 1962-08-29 | $7700.00 | Window Closed / Lapsed |