Patent US2818235A successfully refreshed from Google Patents.
US2818235A
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Releasable latch support for panel ceiling
Assignee: Burgess-Manning Co
•
Filing: 1953-08-18
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Granted: 1957-12-31
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Expires: 1973-08-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph G Baran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:17
CPC Classifications
F; F24; F24D; F24D3/00; F24D3/12; F24D3/16; F24D3/165; Y; Y02; Y02B; Y02B30/00; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T24/3444
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2195967A
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US2382340A
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US2540603A
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US2718383A
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US2662746A
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US2710175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |