US3508734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable support structure
Assignee: HANS C THOMAS AN DER EICHE
•
Filing: 1968-05-23
•
Granted: 1970-04-28
•
Expires: 1988-05-23
Abstract
No abstract record available.
Inventors
- 👤 Hans C Thomas An Der Eiche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:05
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/11; A47F5/112; G; G09; G09F; G09F1/00; G09F1/04; G09F1/06; G09F1/10; G09F1/14; G09F15/00; G09F15/0006; G09F15/0056; G09F15/0068
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1308949A
Cited
US3097444A
Cited
US2474659A
Cited
US2788596A
Cited
US3017148A
Cited
US3237901A
Cited
FR1462218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |