US2988096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tent-roof
Assignee: L Stromeyer and Co GmbH
•
Filing: 1958-03-07
•
Granted: 1961-06-13
•
Expires: 1978-03-07
Abstract
No abstract record available.
Inventors
- 👤 Otto Frei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:57
CPC Classifications
E; E04; E04B; E04B7/00; E04B7/14; E04B1/00; E04B1/342; E04H; E04H15/00; E04H15/02; E04H15/04; E04H15/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190011624A
Cited
US858875A
Cited
US1636594A
Cited
US2114061A
Cited
US2251624A
Cited
GB672815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |