Patent US3707157A successfully refreshed from Google Patents.
US2934827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scribing device
Assignee: Individual
•
Filing: 1958-04-28
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Granted: 1960-05-03
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Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Floyd D Barto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:04
CPC Classifications
B; B43; B43L; B43L9/00; B43L9/02; B43L9/04; B43L9/045; G; G01; G01B; G01B3/00; G01B3/10; G01B3/1084; G01B3/1089; G01B3/1005; G01B3/1007; G01B2003/1012; G01B2003/1015; G01B3/1056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US996476A
Cited
US2108251A
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US2209250A
Cited
US2624120A
Cited
US2651843A
Cited
US2679104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |