US2930835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable splice protector
Assignee: 3M Co
•
Filing: 1955-09-29
•
Granted: 1960-03-29
•
Expires: 1975-09-29
Abstract
No abstract record available.
Inventors
- 👤 Bollmeier Emil Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:00
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/20; H02G15/24; H02G15/08; H02G15/10; H02G15/113
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US608412A
Cited
GB190907593A
Cited
US1249498A
Cited
US1302132A
Cited
US1784881A
Cited
US2393935A
Cited
US2523405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |