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Patent US2946603A successfully refreshed from Google Patents.
US2946603A
Expired / Lapsed
US
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Steering device for surface marking apparatus
Assignee: Wald Indusries Inc
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Filing: 1958-03-06
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Granted: 1960-07-26
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Expires: 1978-03-06
Abstract
No abstract record available.
Inventors
- 👤 Jr John R Wald
- 👤 Rufus W Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:32
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/16; E01C23/163; B; B60; B60D; B60D1/00; B60D1/24; B60D1/42; B60D1/44
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) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |