US2893345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating means for use with plastering
Assignee: Individual
•
Filing: 1958-05-19
•
Granted: 1959-07-07
•
Expires: 1978-05-19
Abstract
No abstract record available.
Inventors
- 👤 Harry E Kaufman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:10
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2004502A
Cited
US2249867A
Cited
US2446361A
Cited
US2572940A
Cited
US2601840A
Cited
US2659335A
Cited
US2832494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |