US3061288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering means for rotary head tunneling machine
Assignee: Goodman Manufacturing Co LP
•
Filing: 1959-06-15
•
Granted: 1962-10-30
•
Expires: 1979-06-15
Abstract
No abstract record available.
Inventors
- 👤 William W Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:37
CPC Classifications
E; E21; E21D; E21D9/00; E21D9/10; E21D9/11; E21D9/112; E21D9/1093
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1185797A
Cited
US1501093A
Cited
US1922063A
Cited
US2170660A
Cited
US2694563A
Cited
US2839281A
Cited
US2839165A
Cited
US2766977A
Cited
US2766978A
Cited
US2864600A
Cited
US2837325A
Cited
US2764397A
Cited
US2874936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |