US3035669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceiling connecting means for a partition wall
Assignee: Aetna Steel Products Corp
•
Filing: 1960-05-12
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Granted: 1962-05-22
•
Expires: 1980-05-12
Abstract
No abstract record available.
Inventors
- 👤 Raymond K Graff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:14
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/76; E04B2/78; E04B2/7854; E04B1/00; E04B1/38; E04B1/388; E04B2001/389
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1801668A
Cited
US2596332A
Cited
US2737268A
Cited
GB708794A
Cited
US2720291A
Cited
US2958403A
Cited
US2925154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |