US2996265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winding spool
Assignee: Acrometal Products Inc
•
Filing: 1960-03-21
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Granted: 1961-08-15
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Expires: 1980-03-21
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Bieber
- 👤 Clarence I Steinback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:18
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/50; B65H2701/51; B65H2701/511; B65H2701/5114; B65H2701/515; B65H2701/5152; B65H2701/51526
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB278217A
Cited
US1802104A
Cited
US1999379A
Cited
US2121234A
Cited
US2139557A
Cited
US2238731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |