US3466825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall structure
Assignee: Individual
•
Filing: 1967-07-13
•
Granted: 1969-09-16
•
Expires: 1987-07-13
Abstract
No abstract record available.
Inventors
- 👤 Karl Guddal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:16
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/84; E04B2/842; E04B2/845; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/762; E04B2/56; E04B2/58; E04B2/60; E04B2/847; E04B2/72; E04B2/723
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US675487A
Cited
US1073134A
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US1755503A
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US1920919A
Cited
US1941211A
Cited
US2035172A
Cited
US2087867A
Cited
US2241338A
Cited
US2250798A
Cited
US3199827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |