US2944864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chassis and rack apparatus
Assignee: South Chester Corp
•
Filing: 1957-08-14
•
Granted: 1960-07-12
•
Expires: 1977-08-14
Abstract
No abstract record available.
Inventors
- 👤 Albert S Krivulka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:48
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/14; H05K7/1401; H05K7/1411; E; E05; E05B; E05B65/00; E05B65/46; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1729864A
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US2544314A
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US2510807A
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US2609268A
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US2750217A
Cited
US2789851A
Cited
US2788253A
Cited
US2771523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |