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US2534355A
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Assignee: WINDALUME Corp
•
Filing: 1946-01-10
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Granted: 1950-12-19
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Expires: 1966-01-10
Abstract
No abstract record available.
Inventors
- 👤 Kirschstein Julius
- 👤 Carmine C J Maffei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:10
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5054; E06B3/5063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US989160A
Cited
US1370894A
Cited
US1374629A
Cited
US1621851A
Cited
US1594765A
Cited
US1876363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |