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Patent US2604342A successfully refreshed from Google Patents.
US2604342A
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Prefabricated structural assembly
Assignee: JOHN L HOLMES
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Filing: 1944-12-12
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Granted: 1952-07-22
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Expires: 1964-12-12
Abstract
No abstract record available.
Inventors
- 👤 Dorothy M Holmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:00
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/10; A63H33/107; E; E04; E04B; E04B1/00; E04B1/38; E04B1/58; E04B1/5825; E04B1/5831; F; F16; F16B; F16B12/00; F16B12/40; E04B2001/5856; E04B2001/5893; Y; Y10; Y10T; Y10T403/00; Y10T403/44; Y10T403/447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |