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US2829416A
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Assignee: Individual
•
Filing: 1955-11-25
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Granted: 1958-04-08
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Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Sam W Sam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:56
CPC Classifications
A; A44; A44B; A44B17/00; A44B17/0011; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45775; Y10T24/45822; Y10T24/45832; Y10T24/45848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US572735A
Cited
AT50708B
Cited
US1059659A
Cited
US1217164A
Cited
US1224936A
Cited
CH79631A
Cited
US2617165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |