US2587988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover and closure for waste receptacles
Assignee: Chicago Metallic Manuf Co
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Filing: 1949-08-26
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Granted: 1952-03-04
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Expires: 1969-08-26
Abstract
No abstract record available.
Inventors
- 👤 Robert I Fredrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:43
CPC Classifications
B; B65; B65F; B65F1/00; B65F1/14; B65F1/16; B65F1/1607; B65F2001/1494; B65F2210/00; B65F2210/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1037625A
Cited
US1799897A
Cited
US1800665A
Cited
US1975412A
Cited
FR802304A
Cited
US2248163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |