US2891318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shingle positioning gauge
Assignee: SAGE
•
Filing: 1954-11-12
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Granted: 1959-06-23
•
Expires: 1974-11-12
Abstract
No abstract record available.
Inventors
- 👤 Clarence L Harrison
- 👤 Warren F Sage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:00
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/18; E04F21/1838; E04F21/1844; E04F21/1855; E04D; E04D15/00; E04D15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US216252A
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US298682A
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US478306A
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US1035062A
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US1067121A
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US1085353A
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US1172775A
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US2157663A
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US2496645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-22 | 1962-12-22 | 1963-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-22 | 1966-12-22 | 1967-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-22 | 1970-12-22 | 1971-06-23 | $7700.00 | Window Closed / Lapsed |