US2651084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1949-11-10
•
Granted: 1953-09-08
•
Expires: 1969-11-10
Abstract
No abstract record available.
Inventors
- 👤 Goldberg Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:19
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/28; E06B3/26; E06B3/2605; E06B2003/2615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1804799A
Cited
US1998791A
Cited
US2051757A
Cited
US2162364A
Cited
US2204464A
Cited
US2151231A
Cited
US2221005A
Cited
US2278666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |