US2490537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building construction
Assignee: Individual
•
Filing: 1943-08-24
•
Granted: 1949-12-06
•
Expires: 1963-08-24
Abstract
No abstract record available.
Inventors
- 👤 Wilbur V Myer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:03
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US772456A
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GB191107490A
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US1205465A
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US1398209A
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FR619554A
Cited
US1923645A
Cited
US1924801A
Cited
US2095422A
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US2100451A
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US2105854A
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US2202745A
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US2281967A
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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) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |