Patent US3452838A successfully refreshed from Google Patents.
US3452838A
Expired / Lapsed
US
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Portable combination table and fire escape
Assignee: DANNIE B GABRIELSON
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Filing: 1967-03-14
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Granted: 1969-07-01
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Expires: 1987-03-14
Abstract
No abstract record available.
Inventors
- 👤 Dannie B Gabrielson
- 👤 John S Rubick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:49
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/005; A; A47; A47B; A47B85/00; A47B85/06; A47B2220/00; A47B2220/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US694771A
Cited
US1980595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |