Patent US3429084A successfully refreshed from Google Patents.
US3429084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insect-proof weep hole
Assignee: Individual
•
Filing: 1967-07-10
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Granted: 1969-02-25
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Expires: 1987-07-10
Abstract
No abstract record available.
Inventors
- 👤 Ben Brewer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:52
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/70; E04B1/7038; E04B1/7053; D; D01; D01D; D01D5/00; D01D5/20; E04B1/7069; E04B1/7076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |