US2684277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple level filing cabinet
Assignee: Old Carco LLC
•
Filing: 1951-10-12
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Granted: 1954-07-20
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Expires: 1971-10-12
Abstract
No abstract record available.
Inventors
- 👤 Murrell L Hamacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:15
CPC Classifications
B; B42; B42F; B42F17/00; B42F17/02; B42F17/08; A; A47; A47B; A47B63/00; A47B88/00; A47B88/40; A47B88/483; A47B88/487; A47B2210/00; A47B2210/0002; A47B2210/0029; A47B2210/0043; A47B2210/0051; A47B2210/0059
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1227704A
Cited
GB303522A
Cited
FR662887A
Cited
US1899837A
Cited
US1978565A
Cited
US2103651A
Cited
US2225655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |