Patent US2895324A successfully refreshed from Google Patents.
US2895324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building constructions
Assignee: AMERAY Corp
•
Filing: 1952-01-23
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Granted: 1959-07-21
•
Expires: 1972-01-23
Abstract
No abstract record available.
Inventors
- 👤 Rosensweig Mack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:06
CPC Classifications
G; G21; G21F; G21F3/00; G21F3/04; E; E04; E04B; E04B1/00; E04B1/62; E04B1/92
Claims Analysis
Total Claims: 0
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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) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |