US2579760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1949-03-18
•
Granted: 1951-12-25
•
Expires: 1969-03-18
Abstract
No abstract record available.
Inventors
- 👤 William R Saidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:29
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/48; B65D5/48002; B65D5/4802
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB323350A
Cited
US1686521A
Cited
US1733663A
Cited
US1794125A
Cited
US1836100A
Cited
US2076844A
Cited
US2321209A
Cited
US2389222A
Cited
US2527702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |