Patent US3430404A successfully refreshed from Google Patents.
US3430404A
Expired / Lapsed
US
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Apertured wall construction
Assignee: Individual
•
Filing: 1967-03-20
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Granted: 1969-03-04
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Expires: 1987-03-20
Abstract
No abstract record available.
Inventors
- 👤 George B Muse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:53
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/42; E04B2/44; E04B2/46; E04B2002/0202; E04B2002/0243; E04B2002/0245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US575209A
Cited
US1051427A
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US1151974A
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US1296342A
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US1444554A
Cited
US2382098A
Cited
GB588302A
Cited
FR72297E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |