US2480395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weaving machine
Assignee: VENTILATED PORCH SHADE Co
•
Filing: 1947-03-29
•
Granted: 1949-08-30
•
Expires: 1967-03-29
Abstract
No abstract record available.
Inventors
- 👤 Frank R Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:44
CPC Classifications
B; B21; B21F; B21F29/00; B21F29/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US57898A
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US294968A
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US322096A
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US939873A
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GB191311538A
Cited
US1204896A
Cited
US1695376A
Cited
DE477784C
Cited
US2363415A
Cited
US2223317A
Cited
US2316703A
Cited
US2412354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |