US2838832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of installing fixture hangers on a ceiling structure
Assignee: Individual
•
Filing: 1954-10-07
•
Granted: 1958-06-17
•
Expires: 1974-10-07
Abstract
No abstract record available.
Inventors
- 👤 Janes W Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:29
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/24; E; E04; E04B; E04B9/00; E04B9/006; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49826; Y10T29/49892; Y10T29/49895
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US407617A
Cited
US1284124A
Cited
US1298580A
Cited
US1698139A
Cited
US1885398A
Cited
US2186607A
Cited
US2349158A
Cited
US2621420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |