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Patent US2607449A successfully refreshed from Google Patents.
US2607449A
Expired / Lapsed
US
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Sheet metal siding
Assignee: H SHELDON BLOCKER
•
Filing: 1947-11-05
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Granted: 1952-08-19
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Expires: 1967-11-05
Abstract
No abstract record available.
Inventors
- 👤 Stephen L Daniels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:22
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2126676A
Cited
US2173774A
Cited
US2180317A
Cited
US2258247A
Cited
US2232853A
Cited
US2427762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |