US2540032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Template for marking switch and outlet box openings
Assignee: Individual
•
Filing: 1947-11-20
•
Granted: 1951-01-30
•
Expires: 1967-11-20
Abstract
No abstract record available.
Inventors
- 👤 Norton T Johnson
- 👤 Kenneth B Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:32
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190116608A
Cited
US831242A
Cited
US1682035A
Cited
US1630429A
Cited
US1685109A
Cited
US1973364A
Cited
US2334913A
Cited
US2458072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |