US2705978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Taping machine
Assignee: Individual
•
Filing: 1950-02-17
•
Granted: 1955-04-12
•
Expires: 1970-02-17
Abstract
No abstract record available.
Inventors
- 👤 Washington J Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:19
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/04; H02K15/043; H02K15/0431
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1401519A
Cited
US1949544A
Cited
US1934471A
Cited
US1797173A
Cited
US1946717A
Cited
US1927708A
Cited
US1981946A
Cited
US2154792A
Cited
US2246608A
Cited
US2367086A
Cited
US2445109A
Cited
US2569513A
Cited
US2624374A
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 |