US2538470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gate
Assignee: Individual
•
Filing: 1946-02-09
•
Granted: 1951-01-16
•
Expires: 1966-02-09
Abstract
No abstract record available.
Inventors
- 👤 Louis H Peeples
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:03
CPC Classifications
E; E06; E06B; E06B11/00; E06B11/02; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1192592A
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US1283359A
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US1330146A
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AU1360928A
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AU1753228A
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US1798699A
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FR722701A
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US2010468A
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US2036474A
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US2076092A
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US2086061A
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US2118722A
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US2220335A
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US2309381A
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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) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |