US2942771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article support
Assignee: Chicago Printed String Co
•
Filing: 1957-12-03
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Granted: 1960-06-28
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Expires: 1977-12-03
Abstract
No abstract record available.
Inventors
- 👤 Irvin G Spigelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:22
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/46; B65D5/46008; B65D5/46016; B65D5/46032
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR760252A
Cited
US2059643A
Cited
US2158697A
Cited
US2220913A
Cited
US2640645A
Cited
US2869771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |