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US2934931A
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US
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Weep hole form
Assignee: Individual
•
Filing: 1954-11-22
•
Granted: 1960-05-03
•
Expires: 1974-11-22
Abstract
No abstract record available.
Inventors
- 👤 Johnson Adaline Mary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:20
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/70; E04B1/7038; E04B1/7046; E04B1/7053; E04B1/7069; E04B1/7076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US848917A
Cited
US1858803A
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US1844269A
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US1795001A
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US1996223A
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US2226368A
Cited
US2213354A
Cited
US2350771A
Cited
US2657570A
Cited
US2705887A
Cited
US2868010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |