Patent US3052251A successfully refreshed from Google Patents.
US3052251A
Expired / Lapsed
US
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Spectator shelter
Assignee: Individual
•
Filing: 1959-04-22
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Granted: 1962-09-04
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Expires: 1979-04-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Felix A De Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:40
CPC Classifications
E; E04; E04H; E04H1/00; E04H1/12; E04H1/1205; E04H15/00; E04H15/32; E04H15/34; E04H15/44; E04H15/46; E04H15/58; Y; Y10; Y10S; Y10S135/00; Y10S135/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US184459A
Cited
US382493A
Cited
US386800A
Cited
US406121A
Cited
US805603A
Cited
US886222A
Cited
US2634740A
Cited
FR1107879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |