US2700905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1947-02-07
•
Granted: 1955-02-01
•
Expires: 1967-02-07
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Urquhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:16
CPC Classifications
B; B23; B23B; B23B49/00; B23B49/003; B23B49/005; G; G01; G01B; G01B3/00; G01B3/22; G01B3/28; Y; Y10; Y10T; Y10T408/00; Y10T408/21; Y10T408/55; Y10T408/566
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1305872A
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US151571A
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US413178A
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US460922A
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DE182177C
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US712367A
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US772211A
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US796327A
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US1204673A
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US1577895A
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US1961604A
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DE684609C
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GB501331A
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GB530593A
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US2223485A
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US2375112A
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US2370770A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |