US3015291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drum closing tool
Assignee: Grotnes Machine Works Inc
•
Filing: 1958-03-10
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Granted: 1962-01-02
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Expires: 1978-03-10
Abstract
No abstract record available.
Inventors
- 👤 Ragettli Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:54
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/28; B65B7/2842; B65B7/285; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/30; B21D51/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307653A
Cited
US1208458A
Cited
US1605284A
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US2775869A
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US2643564A
Cited
US2830788A
Cited
US2822774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |