US2142305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building unit and construction
Assignee: Wyeth Holdings LLC
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Filing: 1932-09-13
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Granted: 1939-01-03
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Expires: 1952-09-13
Abstract
No abstract record available.
Inventors
- 👤 Clarke F Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:00
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6125; E04B1/6137; E04B1/6129; E04B1/6133; E04B1/6141; E04B1/6145; E04B1/6158; E04B1/6179; E04B9/00; E04B9/22; E04B9/28; E04C; E04C2/00; E04C2/02; E04C2/04; E04C2/043; E04C2/30; E04C2/38; E04C2/384
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-01-02 | 1942-07-04 | 1943-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-01-02 | 1946-07-04 | 1947-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-01-02 | 1950-07-04 | 1951-01-03 | $7700.00 | Window Closed / Lapsed |