Patent US3475873A successfully refreshed from Google Patents.
US3475873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular,bonded building wall
Assignee: Individual
•
Filing: 1967-09-12
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Granted: 1969-11-04
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Expires: 1987-09-12
Abstract
No abstract record available.
Inventors
- 👤 William D Steadman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:00
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/42; E04B2/52; E04B1/00; E04B1/18; E04B1/20; E04B2/28; E04B2/38; E04B2002/0202; E04B2002/0243; E04B2002/0245
Claims Analysis
Total Claims: 0
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |