Patent US2656040A successfully refreshed from Google Patents.
US2656040A
Expired / Lapsed
US
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Disassembled gate package
Assignee: Individual
•
Filing: 1951-01-02
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Granted: 1953-10-20
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Expires: 1971-01-02
Abstract
No abstract record available.
Inventors
- 👤 William O Pope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:53
CPC Classifications
E; E06; E06B; E06B11/00; E06B11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1083697A
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US1153560A
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US1283359A
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US1344135A
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US1443446A
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US1811810A
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US1966028A
Cited
US2109300A
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US2236383A
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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) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |