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US2840113A
Expired / Lapsed
US
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End caps or closures for tubular members
Assignee: United Carr Fastener Corp
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Filing: 1955-05-05
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Granted: 1958-06-24
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Expires: 1975-05-05
Abstract
No abstract record available.
Inventors
- 👤 Simpson John
- 👤 Parkin Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:51
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/002; F; F16; F16L; F16L55/00; F16L55/10; F16L55/11; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US170377A
Cited
USRE17866E
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US1005153A
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US2122904A
Cited
US2388300A
Cited
US2644978A
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US2710027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |