US2859501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1955-06-27
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Granted: 1958-11-11
•
Expires: 1975-06-27
Abstract
No abstract record available.
Inventors
- 👤 Pero Gladys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:43
CPC Classifications
A; A44; A44B; A44B1/00; A44B1/18; A44B3/00; A44B3/04; A44B5/00; A44B5/002; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3617
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US622201A
Cited
US641565A
Cited
US1333228A
Cited
FR638398A
Cited
US1721356A
Cited
GB475279A
Cited
FR1033531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |