US2705993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sequential radio frequency bonding process and apparatus
Assignee: Individual
•
Filing: 1954-01-21
•
Granted: 1955-04-12
•
Expires: 1974-01-21
Abstract
No abstract record available.
Inventors
- 👤 Julius W Mann
- 👤 George F Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:05
CPC Classifications
B; B27; B27D; B27D1/00; B27D1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2631642A
Cited
US2678897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |