US2683928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of corrugating tubing
Assignee: Motors Liquidation Co
•
Filing: 1950-09-12
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Granted: 1954-07-20
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Expires: 1970-09-12
Abstract
No abstract record available.
Inventors
- 👤 Stanley R Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:34
CPC Classifications
B; B21; B21D; B21D17/00; B21D17/02; B21D17/025; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/20; B21C37/205; B21D15/00; B21D15/04; B21D15/06; B25; B25B; B25B27/00; B25B27/14; B25B27/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1095100A
Cited
US1270402A
Cited
US1288132A
Cited
US1734932A
Cited
US1734025A
Cited
US1961453A
Cited
US2118499A
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 |