US3039730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of mounting ball-bearing tracks for revolving cranes and the like
Assignee: Individual
•
Filing: 1961-03-15
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Granted: 1962-06-19
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Expires: 1981-03-15
Abstract
No abstract record available.
Inventors
- 👤 Heigl Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:51
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/08; E02F9/10; E02F9/12; E02F9/121; B; B62; B62D; B62D55/00; B62D55/06; B62D55/062; B62D55/08; B62D55/10; B66; B66C; B66C23/00; B66C23/62; B66C23/84; E02F9/02; E02F9/0808; E02F9/0816; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49696; Y10T29/49764; Y10T29/49778; Y10T29/4978; Y10T29/49826; Y10T29/49895
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |