US2773590A
Expired / Lapsed
US
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Assignee: ROYAL ELECTRIC Co Inc
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Filing: 1954-01-08
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Granted: 1956-12-11
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Expires: 1974-01-08
Abstract
No abstract record available.
Inventors
- 👤 Benjamin L Levinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:48
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/02; B65D21/0209; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/321; B65D75/323; B65D75/324; Y; Y10; Y10S; Y10S362/00; Y10S362/806; Y10S362/807; Y10S52/00; Y10S52/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL11613C
Cited
GB200976A
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US1933338A
Cited
DE861668C
Cited
US2660529A
Cited
US2671286A
Cited
FR1101226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |