US2929115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding door unit
Assignee: Individual
•
Filing: 1958-05-05
•
Granted: 1960-03-22
•
Expires: 1978-05-05
Abstract
No abstract record available.
Inventors
- 👤 August W Beckstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:52
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4636; E05D15/0656; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/606; E05Y2201/61; E05Y2201/612; E05Y2201/614; E05Y2201/622; E05Y2201/684; E05Y2600/00; E05Y2600/40; E05Y2600/45; E05Y2600/452; E05Y2600/46; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1178184A
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US1199185A
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US2027920A
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US2273877A
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US2485296A
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US2610367A
Cited
US2627633A
Cited
US2553459A
Cited
US2638190A
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US2754535A
Cited
US2821738A
Cited
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 |