US2498276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building block
Assignee: Individual
•
Filing: 1946-03-27
•
Granted: 1950-02-21
•
Expires: 1966-03-27
Abstract
No abstract record available.
Inventors
- 👤 James P Kany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:52
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/42; E04B2002/0295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190021559A
Cited
US734022A
Cited
US868838A
Cited
US1058674A
Cited
US1171191A
Cited
CH85182A
Cited
US1378735A
Cited
GB166623A
Cited
US1588332A
Cited
US1900457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |