US2900831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorbing mechanism
Assignee: International Business Machines Corp
•
Filing: 1956-11-15
•
Granted: 1959-08-25
•
Expires: 1976-11-15
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Wilson
- 👤 Benjamin M Durfee
- 👤 Harry J Tashjian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:05
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/04; G06K13/05; B; B65; B65H; B65H5/00; F; F16; F16H; F16H7/00; F16H7/02; F16H7/023; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19633
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US525118A
Cited
GB107500A
Cited
US1871268A
Cited
US1848423A
Cited
US2553248A
Cited
FR983330A
Cited
US2639623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |