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US2639691A
Expired / Lapsed
US
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Antipicking device
Assignee: Individual
•
Filing: 1949-05-31
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Granted: 1953-05-26
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Expires: 1969-05-31
Abstract
No abstract record available.
Inventors
- 👤 Carl J Zurlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:40
CPC Classifications
A; A01; A01K; A01K37/00; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44906; Y10T24/44915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US243895A
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US339852A
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US810385A
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US1065459A
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US1083786A
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US1637564A
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US1877897A
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US2247833A
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US2453270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |