US2929445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable partition
Assignee: Individual
•
Filing: 1956-04-04
•
Granted: 1960-03-22
•
Expires: 1976-04-04
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Haws
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:49
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/82; E04B2/827; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/481; E05; E05D; E05D15/00; E05D15/26; E05D2015/268; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2114198A
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GB532347A
Cited
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US2322372A
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US2369089A
Cited
US2424859A
Cited
US2552369A
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US2575459A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |