US2822117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier
Assignee: Individual
•
Filing: 1955-05-31
•
Granted: 1958-02-04
•
Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Richard G Mack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:21
CPC Classifications
A; A45; A45F; A45F3/00; A45F3/04; A45F3/08; A45F3/10; A47; A47D; A47D1/00; A47D1/02; A47D1/10; A47D11/00; A47D13/00; A47D13/02; A47D13/025; A47D13/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |