US2798765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface marking apparatus
Assignee: WAID IND Inc
•
Filing: 1954-12-31
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Granted: 1957-07-09
•
Expires: 1974-12-31
Abstract
No abstract record available.
Inventors
- 👤 Rufus W Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:21
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/16; E01C23/166
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1141503A
Cited
FR719374A
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US2065998A
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US2226896A
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US2301847A
Cited
US2301848A
Cited
US2345653A
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US2304726A
Cited
US2396981A
Cited
US2516173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |