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US2963825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated house construction
Assignee: Individual
•
Filing: 1955-09-20
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Granted: 1960-12-13
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Expires: 1975-09-20
Abstract
No abstract record available.
Inventors
- 👤 Jr David D Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:17
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/14; E04B5/00; E04B5/02; E04B5/04; E04B5/046
Claims Analysis
Total Claims: 0
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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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |