Patent US3001007A successfully refreshed from Google Patents.
US3001007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking bushing
Assignee: Heyman Manufacturing Co
•
Filing: 1959-11-13
•
Granted: 1961-09-19
•
Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Ferdinand Klumpp
- 👤 William H Jemison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:35
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/081; H02G3/083; H02G3/06; H02G3/0616
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1743493A
Cited
US1853944A
Cited
US2104217A
Cited
US2668316A
Cited
US2818559A
Cited
FR1111742A
Cited
US2912712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |