Patent US3034739A successfully refreshed from Google Patents.
US3034739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trunnion forming plugs for supporting paper rolls
Assignee: Individual
•
Filing: 1960-08-31
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Granted: 1962-05-15
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Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Donald E S Barger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:08
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/185; A; A47; A47K; A47K10/00; A47K10/24; A47K10/32; A47K10/34; A47K10/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |