US2811977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shelter seat
Assignee: Individual
•
Filing: 1956-01-23
•
Granted: 1957-11-05
•
Expires: 1976-01-23
Abstract
No abstract record available.
Inventors
- 👤 William L Mcclish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:49
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/001; E04H15/32; E04H15/34; E04H15/36; E04H15/38; Y; Y10; Y10S; Y10S135/00; Y10S135/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE197836C
Cited
US1984681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |