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Patent US3205904A successfully refreshed from Google Patents.
US3205904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding umbrella
Assignee: Individual
•
Filing: 1962-01-23
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Granted: 1965-09-14
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Expires: 1982-01-23
Abstract
No abstract record available.
Inventors
- 👤 Dale E Kreachbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:59
CPC Classifications
A; A45; A45B; A45B19/00; A45B23/00; A45B2023/0087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A FOLDING UMBRELLA COMPRISING, IN COMBINATION, A THIN FLEXIBLE SHEET INCLUDING A PLURALITY OF RADIALLY EXTENDING TRIANGULAR SECTIONS, SAID SECTIONS BEING DEFINED BY TWO DIAMETRICALLY OPPOSED RADIALLY EXTENDING MAJOR FOLD LINES AND A PLURALITY OF RADIALLY EXTENDING MINOR FOLD LINES; A PLURALITY OF UPSTANDING STIFFENER RIBS ALONG SAID MINOR FOLD LINES CIRCUMFERENTIALLY SPACED BETWEEN SAID TWO MAJOR FOLD LINES, TWO OF SAID SECTIONS THAT ARE JOINED ALONG ONE OF SAID MAJOR FOLD LINES BEING SLIGHTLY WIDER
Claim 2
Dependent Claim
76 words
A FOLDING UMBRELLA COMPRISING, IN COMBINATION, A THIN FLEXIBLE SHEET INCLUDING A PLURALITY OF RADIALLY EXTENDING TRIANGULAR SECTIONS, SAID SECTIONS BEING DEFINED BY TWO DIAMETRICALLY OPPOSED RADIALLY EXTENDING MAJOR FOLD LINES AND A PLURALITY OF RADIALLY EXTENDING MINOR FOLD LINES; A PLURALITY OF UPSTANDING STIFFENER RIBS ALONG SAID MINOR FOLD LINES CIRCUMFERENTIALLY SPACED BETWEEN SAID TWO MAJOR FOLD LINES, TWO OF SAID SECTIONS THAT ARE JOINED ALONG ONE OF SAID MAJOR FOLD LINES BEING SLIGHTLY WIDER
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |