US2938376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated siding for buildings
Assignee: Individual
•
Filing: 1956-10-29
•
Granted: 1960-05-31
•
Expires: 1976-10-29
Abstract
No abstract record available.
Inventors
- 👤 Workman Francis
- 👤 Leo N Scheer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:26
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0862
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US779268A
Cited
US1896188A
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US1836964A
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US2257598A
Cited
US2293331A
Cited
GB531768A
Cited
US2475708A
Cited
US2569941A
Cited
FR1031995A
Cited
US2635908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |