Patent US3364506A successfully refreshed from Google Patents.
US3364506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draw sheet stretcher
Assignee: Individual
•
Filing: 1966-04-25
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Granted: 1968-01-23
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Expires: 1986-04-25
Abstract
No abstract record available.
Inventors
- 👤 Edith A Hale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:02
CPC Classifications
A; A47; A47G; A47G9/00; A47G9/02; A47G9/0238
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB554366A
Cited
US2544977A
Cited
US2779035A
Cited
US2682670A
Cited
US2835902A
Cited
GB806600A
Cited
US2980169A
Cited
US3284816A
Cited
US3273177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |