US2638244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular tear strip remover with overlapping edges
Assignee: Individual
•
Filing: 1948-09-27
•
Granted: 1953-05-12
•
Expires: 1968-09-27
Abstract
No abstract record available.
Inventors
- 👤 Baisch John Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:47
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR334582A
Cited
CH44073A
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US1602213A
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US1445905A
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US1461151A
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GB260157A
Cited
US1803171A
Cited
US2094114A
Cited
DE692515C
Cited
US2300270A
Cited
US2326191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |