US3027032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dumping bucket
Assignee: TUBULAR STRUCTURES CORP OF AMERICA
•
Filing: 1958-07-07
•
Granted: 1962-03-27
•
Expires: 1978-07-07
Abstract
No abstract record available.
Inventors
- 👤 Max M Selby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:26
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/02; E04G21/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1009038A
Cited
US1430655A
Cited
US1787716A
Cited
US2011656A
Cited
US2055902A
Cited
US2519153A
Cited
US2668630A
Cited
US2959312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |