Patent US2713902A successfully refreshed from Google Patents.
US2713902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steel cutting rule
Assignee: Individual
•
Filing: 1950-12-07
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Granted: 1955-07-26
•
Expires: 1970-12-07
Abstract
No abstract record available.
Inventors
- 👤 Biss Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:48
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/18; B; B23; B23P; B23P15/00; B23P15/28; B23P15/40; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US577766A
Cited
US1011938A
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US975041A
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US1333767A
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US2073502A
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US2105583A
Cited
US2262588A
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US2326674A
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US2303408A
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US2335249A
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US2371600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |