US2835371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible tube handling mechanism
Assignee: Wheeling Stamping Co
•
Filing: 1953-09-14
•
Granted: 1958-05-20
•
Expires: 1973-09-14
Abstract
No abstract record available.
Inventors
- 👤 Walter T Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:20
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/12; B65G2201/00; B65G2201/02; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1839438A
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US2100441A
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US2175560A
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DE666040C
Cited
US2381185A
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US2378855A
Cited
US2501224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |