Patent US2431100A successfully refreshed from Google Patents.
US2431100A
Expired / Lapsed
US
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Templet for pipe systems
Assignee: Individual
•
Filing: 1942-09-29
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Granted: 1947-11-18
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Expires: 1962-09-29
Abstract
No abstract record available.
Inventors
- 👤 John A Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:40
CPC Classifications
G; G01; G01B; G01B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB190309137A
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US1455441A
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FR523658A
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US1631831A
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US2095059A
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FR826525A
Cited
US2205311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-17 | 1951-05-19 | 1951-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-17 | 1955-05-19 | 1955-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-17 | 1959-05-19 | 1959-11-18 | $7700.00 | Window Closed / Lapsed |