US3374588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular, curved structure and method of assembly
Assignee: Dow Chemical Co
•
Filing: 1964-03-30
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Granted: 1968-03-26
•
Expires: 1984-03-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Turner Alfrey
- 👤 Douglas S Chisholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:27
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/32; E04B2001/327; E04B2001/3294
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A STRUCTURE COMPRISING A PLURALITY OF TRIANGULAR PANELS, THE TRIANGULAR PANELS BEING OF A RIGHT UNSYMMETRICAL CONFIGURATION, THE STRUCTURE CONFORMING GENERALLY TO AT LEAST A PORTION OF THE CYLINDRICAL SURFACE, THE STRUCTURE COMPRISING A PLURALITY OF ADJACENT CONNECTED SEGMENTS PREPARED FROM THE TRIANGULAR PANELS, ADJACENT SEGMENTS BEING COMPOSED OF TRIANGULAR PANELS OF OPPOSITE HAND,
Claim 2
Dependent Claim
54 words
A STRUCTURE COMPRISING A PLURALITY OF TRIANGULAR PANELS, THE TRIANGULAR PANELS BEING OF A RIGHT UNSYMMETRICAL CONFIGURATION, THE STRUCTURE CONFORMING GENERALLY TO AT LEAST A PORTION OF THE CYLINDRICAL SURFACE, THE STRUCTURE COMPRISING A PLURALITY OF ADJACENT CONNECTED SEGMENTS PREPARED FROM THE TRIANGULAR PANELS, ADJACENT SEGMENTS BEING COMPOSED OF TRIANGULAR PANELS OF OPPOSITE HAND,
References Cited (Backward Citations)
CA653204A
Cited
US3203144A
Cited
US3143194A
Cited
US3144103A
Cited
FR1315078A
Cited
US3186524A
Cited
AT224317B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |